# Cloud Asset API . feeds

## Instance Methods

Close httplib2 connections.

Creates a feed in a parent project/folder/organization to listen to its asset updates.

Deletes an asset feed.

Gets details about an asset feed.

Lists all asset feeds in a parent project/folder/organization.

Updates an asset feed configuration.

### Method Details

`close()`

    Close httplib2 connections.

`create(parent, body=None, x__xgafv=None)`

    Creates a feed in a parent project/folder/organization to listen to its asset updates.

    Args:
      parent: string, Required. The name of the project/folder/organization where this feed should be created in. It can only be an organization number (such as "organizations/123"), a folder number (such as "folders/123"), a project ID (such as "projects/my-project-id")", or a project number (such as "projects/12345"). (required)
      body: object, The request body.
        The object takes the form of:

    { # Create asset feed request.
      "feed": { # An asset feed used to export asset updates to a destinations. An asset feed filter controls what updates are exported. The asset feed must be created within a project, organization, or folder. Supported destinations are: Pub/Sub topics. # Required. The feed details. The field `name` must be empty and it will be generated in the format of: projects/project_number/feeds/feed_id folders/folder_number/feeds/feed_id organizations/organization_number/feeds/feed_id
        "assetNames": [ # A list of the full names of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`. See [Resource Names](https://cloud.google.com/apis/design/resource_names#full_resource_name) for more info.
          "A String",
        ],
        "assetTypes": [ # A list of types of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `"compute.googleapis.com/Disk"` See [this topic](https://cloud.google.com/asset-inventory/docs/supported-asset-types) for a list of all supported asset types.
          "A String",
        ],
        "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. Example (Comparison): title: "Summary size limit" description: "Determines if a summary is less than 100 chars" expression: "document.summary.size() < 100" Example (Equality): title: "Requestor is owner" description: "Determines if requestor is the document owner" expression: "document.owner == request.auth.claims.email" Example (Logic): title: "Public documents" description: "Determine whether the document should be publicly visible" expression: "document.type != 'private' && document.type != 'internal'" Example (Data Manipulation): title: "Notification string" description: "Create a notification string with a timestamp." expression: "'New message received at ' + string(document.create_time)" The exact variables and functions that may be referenced within an expression are determined by the service that evaluates it. See the service documentation for additional information. # A condition which determines whether an asset update should be published. If specified, an asset will be returned only when the expression evaluates to true. When set, `expression` field in the `Expr` must be a valid [CEL expression] (https://github.com/google/cel-spec) on a TemporalAsset with name `temporal_asset`. Example: a Feed with expression ("temporal_asset.deleted == true") will only publish Asset deletions. Other fields of `Expr` are optional. See our [user guide](https://cloud.google.com/asset-inventory/docs/monitoring-asset-changes-with-condition) for detailed instructions.
          "description": "A String", # Optional. Description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.
          "expression": "A String", # Textual representation of an expression in Common Expression Language syntax.
          "location": "A String", # Optional. String indicating the location of the expression for error reporting, e.g. a file name and a position in the file.
          "title": "A String", # Optional. Title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.
        },
        "contentType": "A String", # Asset content type. If not specified, no content but the asset name and type will be returned.
        "feedOutputConfig": { # Output configuration for asset feed destination. # Required. Feed output configuration defining where the asset updates are published to.
          "pubsubDestination": { # A Pub/Sub destination. # Destination on Pub/Sub.
            "topic": "A String", # The name of the Pub/Sub topic to publish to. Example: `projects/PROJECT_ID/topics/TOPIC_ID`.
          },
        },
        "name": "A String", # Required. The format will be projects/{project_number}/feeds/{client-assigned_feed_identifier} or folders/{folder_number}/feeds/{client-assigned_feed_identifier} or organizations/{organization_number}/feeds/{client-assigned_feed_identifier} The client-assigned feed identifier must be unique within the parent project/folder/organization.
        "relationshipTypes": [ # A list of relationship types to output, for example: `INSTANCE_TO_INSTANCEGROUP`. This field should only be specified if content_type=RELATIONSHIP. * If specified: it outputs specified relationship updates on the [asset_names] or the [asset_types]. It returns an error if any of the [relationship_types] doesn't belong to the supported relationship types of the [asset_names] or [asset_types], or any of the [asset_names] or the [asset_types] doesn't belong to the source types of the [relationship_types]. * Otherwise: it outputs the supported relationships of the types of [asset_names] and [asset_types] or returns an error if any of the [asset_names] or the [asset_types] has no replationship support. See [Introduction to Cloud Asset Inventory](https://cloud.google.com/asset-inventory/docs/overview) for all supported asset types and relationship types.
          "A String",
        ],
      },
      "feedId": "A String", # Required. This is the client-assigned asset feed identifier and it needs to be unique under a specific parent project/folder/organization.
    }

      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # An asset feed used to export asset updates to a destinations. An asset feed filter controls what updates are exported. The asset feed must be created within a project, organization, or folder. Supported destinations are: Pub/Sub topics.
      "assetNames": [ # A list of the full names of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`. See [Resource Names](https://cloud.google.com/apis/design/resource_names#full_resource_name) for more info.
        "A String",
      ],
      "assetTypes": [ # A list of types of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `"compute.googleapis.com/Disk"` See [this topic](https://cloud.google.com/asset-inventory/docs/supported-asset-types) for a list of all supported asset types.
        "A String",
      ],
      "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. Example (Comparison): title: "Summary size limit" description: "Determines if a summary is less than 100 chars" expression: "document.summary.size() < 100" Example (Equality): title: "Requestor is owner" description: "Determines if requestor is the document owner" expression: "document.owner == request.auth.claims.email" Example (Logic): title: "Public documents" description: "Determine whether the document should be publicly visible" expression: "document.type != 'private' && document.type != 'internal'" Example (Data Manipulation): title: "Notification string" description: "Create a notification string with a timestamp." expression: "'New message received at ' + string(document.create_time)" The exact variables and functions that may be referenced within an expression are determined by the service that evaluates it. See the service documentation for additional information. # A condition which determines whether an asset update should be published. If specified, an asset will be returned only when the expression evaluates to true. When set, `expression` field in the `Expr` must be a valid [CEL expression] (https://github.com/google/cel-spec) on a TemporalAsset with name `temporal_asset`. Example: a Feed with expression ("temporal_asset.deleted == true") will only publish Asset deletions. Other fields of `Expr` are optional. See our [user guide](https://cloud.google.com/asset-inventory/docs/monitoring-asset-changes-with-condition) for detailed instructions.
        "description": "A String", # Optional. Description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.
        "expression": "A String", # Textual representation of an expression in Common Expression Language syntax.
        "location": "A String", # Optional. String indicating the location of the expression for error reporting, e.g. a file name and a position in the file.
        "title": "A String", # Optional. Title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.
      },
      "contentType": "A String", # Asset content type. If not specified, no content but the asset name and type will be returned.
      "feedOutputConfig": { # Output configuration for asset feed destination. # Required. Feed output configuration defining where the asset updates are published to.
        "pubsubDestination": { # A Pub/Sub destination. # Destination on Pub/Sub.
          "topic": "A String", # The name of the Pub/Sub topic to publish to. Example: `projects/PROJECT_ID/topics/TOPIC_ID`.
        },
      },
      "name": "A String", # Required. The format will be projects/{project_number}/feeds/{client-assigned_feed_identifier} or folders/{folder_number}/feeds/{client-assigned_feed_identifier} or organizations/{organization_number}/feeds/{client-assigned_feed_identifier} The client-assigned feed identifier must be unique within the parent project/folder/organization.
      "relationshipTypes": [ # A list of relationship types to output, for example: `INSTANCE_TO_INSTANCEGROUP`. This field should only be specified if content_type=RELATIONSHIP. * If specified: it outputs specified relationship updates on the [asset_names] or the [asset_types]. It returns an error if any of the [relationship_types] doesn't belong to the supported relationship types of the [asset_names] or [asset_types], or any of the [asset_names] or the [asset_types] doesn't belong to the source types of the [relationship_types]. * Otherwise: it outputs the supported relationships of the types of [asset_names] and [asset_types] or returns an error if any of the [asset_names] or the [asset_types] has no replationship support. See [Introduction to Cloud Asset Inventory](https://cloud.google.com/asset-inventory/docs/overview) for all supported asset types and relationship types.
        "A String",
      ],
    }

`delete(name, x__xgafv=None)`

    Deletes an asset feed.

    Args:
      name: string, Required. The name of the feed and it must be in the format of: projects/project_number/feeds/feed_id folders/folder_number/feeds/feed_id organizations/organization_number/feeds/feed_id (required)
      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # A generic empty message that you can re-use to avoid defining duplicated empty messages in your APIs. A typical example is to use it as the request or the response type of an API method. For instance: service Foo { rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty); } The JSON representation for `Empty` is empty JSON object `{}`.
    }

`get(name, x__xgafv=None)`

    Gets details about an asset feed.

    Args:
      name: string, Required. The name of the Feed and it must be in the format of: projects/project_number/feeds/feed_id folders/folder_number/feeds/feed_id organizations/organization_number/feeds/feed_id (required)
      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # An asset feed used to export asset updates to a destinations. An asset feed filter controls what updates are exported. The asset feed must be created within a project, organization, or folder. Supported destinations are: Pub/Sub topics.
      "assetNames": [ # A list of the full names of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`. See [Resource Names](https://cloud.google.com/apis/design/resource_names#full_resource_name) for more info.
        "A String",
      ],
      "assetTypes": [ # A list of types of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `"compute.googleapis.com/Disk"` See [this topic](https://cloud.google.com/asset-inventory/docs/supported-asset-types) for a list of all supported asset types.
        "A String",
      ],
      "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. Example (Comparison): title: "Summary size limit" description: "Determines if a summary is less than 100 chars" expression: "document.summary.size() < 100" Example (Equality): title: "Requestor is owner" description: "Determines if requestor is the document owner" expression: "document.owner == request.auth.claims.email" Example (Logic): title: "Public documents" description: "Determine whether the document should be publicly visible" expression: "document.type != 'private' && document.type != 'internal'" Example (Data Manipulation): title: "Notification string" description: "Create a notification string with a timestamp." expression: "'New message received at ' + string(document.create_time)" The exact variables and functions that may be referenced within an expression are determined by the service that evaluates it. See the service documentation for additional information. # A condition which determines whether an asset update should be published. If specified, an asset will be returned only when the expression evaluates to true. When set, `expression` field in the `Expr` must be a valid [CEL expression] (https://github.com/google/cel-spec) on a TemporalAsset with name `temporal_asset`. Example: a Feed with expression ("temporal_asset.deleted == true") will only publish Asset deletions. Other fields of `Expr` are optional. See our [user guide](https://cloud.google.com/asset-inventory/docs/monitoring-asset-changes-with-condition) for detailed instructions.
        "description": "A String", # Optional. Description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.
        "expression": "A String", # Textual representation of an expression in Common Expression Language syntax.
        "location": "A String", # Optional. String indicating the location of the expression for error reporting, e.g. a file name and a position in the file.
        "title": "A String", # Optional. Title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.
      },
      "contentType": "A String", # Asset content type. If not specified, no content but the asset name and type will be returned.
      "feedOutputConfig": { # Output configuration for asset feed destination. # Required. Feed output configuration defining where the asset updates are published to.
        "pubsubDestination": { # A Pub/Sub destination. # Destination on Pub/Sub.
          "topic": "A String", # The name of the Pub/Sub topic to publish to. Example: `projects/PROJECT_ID/topics/TOPIC_ID`.
        },
      },
      "name": "A String", # Required. The format will be projects/{project_number}/feeds/{client-assigned_feed_identifier} or folders/{folder_number}/feeds/{client-assigned_feed_identifier} or organizations/{organization_number}/feeds/{client-assigned_feed_identifier} The client-assigned feed identifier must be unique within the parent project/folder/organization.
      "relationshipTypes": [ # A list of relationship types to output, for example: `INSTANCE_TO_INSTANCEGROUP`. This field should only be specified if content_type=RELATIONSHIP. * If specified: it outputs specified relationship updates on the [asset_names] or the [asset_types]. It returns an error if any of the [relationship_types] doesn't belong to the supported relationship types of the [asset_names] or [asset_types], or any of the [asset_names] or the [asset_types] doesn't belong to the source types of the [relationship_types]. * Otherwise: it outputs the supported relationships of the types of [asset_names] and [asset_types] or returns an error if any of the [asset_names] or the [asset_types] has no replationship support. See [Introduction to Cloud Asset Inventory](https://cloud.google.com/asset-inventory/docs/overview) for all supported asset types and relationship types.
        "A String",
      ],
    }

`list(parent, x__xgafv=None)`

    Lists all asset feeds in a parent project/folder/organization.

    Args:
      parent: string, Required. The parent project/folder/organization whose feeds are to be listed. It can only be using project/folder/organization number (such as "folders/12345")", or a project ID (such as "projects/my-project-id"). (required)
      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        {
      "feeds": [ # A list of feeds.
        { # An asset feed used to export asset updates to a destinations. An asset feed filter controls what updates are exported. The asset feed must be created within a project, organization, or folder. Supported destinations are: Pub/Sub topics.
          "assetNames": [ # A list of the full names of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`. See [Resource Names](https://cloud.google.com/apis/design/resource_names#full_resource_name) for more info.
            "A String",
          ],
          "assetTypes": [ # A list of types of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `"compute.googleapis.com/Disk"` See [this topic](https://cloud.google.com/asset-inventory/docs/supported-asset-types) for a list of all supported asset types.
            "A String",
          ],
          "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. Example (Comparison): title: "Summary size limit" description: "Determines if a summary is less than 100 chars" expression: "document.summary.size() < 100" Example (Equality): title: "Requestor is owner" description: "Determines if requestor is the document owner" expression: "document.owner == request.auth.claims.email" Example (Logic): title: "Public documents" description: "Determine whether the document should be publicly visible" expression: "document.type != 'private' && document.type != 'internal'" Example (Data Manipulation): title: "Notification string" description: "Create a notification string with a timestamp." expression: "'New message received at ' + string(document.create_time)" The exact variables and functions that may be referenced within an expression are determined by the service that evaluates it. See the service documentation for additional information. # A condition which determines whether an asset update should be published. If specified, an asset will be returned only when the expression evaluates to true. When set, `expression` field in the `Expr` must be a valid [CEL expression] (https://github.com/google/cel-spec) on a TemporalAsset with name `temporal_asset`. Example: a Feed with expression ("temporal_asset.deleted == true") will only publish Asset deletions. Other fields of `Expr` are optional. See our [user guide](https://cloud.google.com/asset-inventory/docs/monitoring-asset-changes-with-condition) for detailed instructions.
            "description": "A String", # Optional. Description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.
            "expression": "A String", # Textual representation of an expression in Common Expression Language syntax.
            "location": "A String", # Optional. String indicating the location of the expression for error reporting, e.g. a file name and a position in the file.
            "title": "A String", # Optional. Title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.
          },
          "contentType": "A String", # Asset content type. If not specified, no content but the asset name and type will be returned.
          "feedOutputConfig": { # Output configuration for asset feed destination. # Required. Feed output configuration defining where the asset updates are published to.
            "pubsubDestination": { # A Pub/Sub destination. # Destination on Pub/Sub.
              "topic": "A String", # The name of the Pub/Sub topic to publish to. Example: `projects/PROJECT_ID/topics/TOPIC_ID`.
            },
          },
          "name": "A String", # Required. The format will be projects/{project_number}/feeds/{client-assigned_feed_identifier} or folders/{folder_number}/feeds/{client-assigned_feed_identifier} or organizations/{organization_number}/feeds/{client-assigned_feed_identifier} The client-assigned feed identifier must be unique within the parent project/folder/organization.
          "relationshipTypes": [ # A list of relationship types to output, for example: `INSTANCE_TO_INSTANCEGROUP`. This field should only be specified if content_type=RELATIONSHIP. * If specified: it outputs specified relationship updates on the [asset_names] or the [asset_types]. It returns an error if any of the [relationship_types] doesn't belong to the supported relationship types of the [asset_names] or [asset_types], or any of the [asset_names] or the [asset_types] doesn't belong to the source types of the [relationship_types]. * Otherwise: it outputs the supported relationships of the types of [asset_names] and [asset_types] or returns an error if any of the [asset_names] or the [asset_types] has no replationship support. See [Introduction to Cloud Asset Inventory](https://cloud.google.com/asset-inventory/docs/overview) for all supported asset types and relationship types.
            "A String",
          ],
        },
      ],
    }

`patch(name, body=None, x__xgafv=None)`

    Updates an asset feed configuration.

    Args:
      name: string, Required. The format will be projects/{project_number}/feeds/{client-assigned_feed_identifier} or folders/{folder_number}/feeds/{client-assigned_feed_identifier} or organizations/{organization_number}/feeds/{client-assigned_feed_identifier} The client-assigned feed identifier must be unique within the parent project/folder/organization. (required)
      body: object, The request body.
        The object takes the form of:

    { # Update asset feed request.
      "feed": { # An asset feed used to export asset updates to a destinations. An asset feed filter controls what updates are exported. The asset feed must be created within a project, organization, or folder. Supported destinations are: Pub/Sub topics. # Required. The new values of feed details. It must match an existing feed and the field `name` must be in the format of: projects/project_number/feeds/feed_id or folders/folder_number/feeds/feed_id or organizations/organization_number/feeds/feed_id.
        "assetNames": [ # A list of the full names of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`. See [Resource Names](https://cloud.google.com/apis/design/resource_names#full_resource_name) for more info.
          "A String",
        ],
        "assetTypes": [ # A list of types of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `"compute.googleapis.com/Disk"` See [this topic](https://cloud.google.com/asset-inventory/docs/supported-asset-types) for a list of all supported asset types.
          "A String",
        ],
        "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. Example (Comparison): title: "Summary size limit" description: "Determines if a summary is less than 100 chars" expression: "document.summary.size() < 100" Example (Equality): title: "Requestor is owner" description: "Determines if requestor is the document owner" expression: "document.owner == request.auth.claims.email" Example (Logic): title: "Public documents" description: "Determine whether the document should be publicly visible" expression: "document.type != 'private' && document.type != 'internal'" Example (Data Manipulation): title: "Notification string" description: "Create a notification string with a timestamp." expression: "'New message received at ' + string(document.create_time)" The exact variables and functions that may be referenced within an expression are determined by the service that evaluates it. See the service documentation for additional information. # A condition which determines whether an asset update should be published. If specified, an asset will be returned only when the expression evaluates to true. When set, `expression` field in the `Expr` must be a valid [CEL expression] (https://github.com/google/cel-spec) on a TemporalAsset with name `temporal_asset`. Example: a Feed with expression ("temporal_asset.deleted == true") will only publish Asset deletions. Other fields of `Expr` are optional. See our [user guide](https://cloud.google.com/asset-inventory/docs/monitoring-asset-changes-with-condition) for detailed instructions.
          "description": "A String", # Optional. Description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.
          "expression": "A String", # Textual representation of an expression in Common Expression Language syntax.
          "location": "A String", # Optional. String indicating the location of the expression for error reporting, e.g. a file name and a position in the file.
          "title": "A String", # Optional. Title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.
        },
        "contentType": "A String", # Asset content type. If not specified, no content but the asset name and type will be returned.
        "feedOutputConfig": { # Output configuration for asset feed destination. # Required. Feed output configuration defining where the asset updates are published to.
          "pubsubDestination": { # A Pub/Sub destination. # Destination on Pub/Sub.
            "topic": "A String", # The name of the Pub/Sub topic to publish to. Example: `projects/PROJECT_ID/topics/TOPIC_ID`.
          },
        },
        "name": "A String", # Required. The format will be projects/{project_number}/feeds/{client-assigned_feed_identifier} or folders/{folder_number}/feeds/{client-assigned_feed_identifier} or organizations/{organization_number}/feeds/{client-assigned_feed_identifier} The client-assigned feed identifier must be unique within the parent project/folder/organization.
        "relationshipTypes": [ # A list of relationship types to output, for example: `INSTANCE_TO_INSTANCEGROUP`. This field should only be specified if content_type=RELATIONSHIP. * If specified: it outputs specified relationship updates on the [asset_names] or the [asset_types]. It returns an error if any of the [relationship_types] doesn't belong to the supported relationship types of the [asset_names] or [asset_types], or any of the [asset_names] or the [asset_types] doesn't belong to the source types of the [relationship_types]. * Otherwise: it outputs the supported relationships of the types of [asset_names] and [asset_types] or returns an error if any of the [asset_names] or the [asset_types] has no replationship support. See [Introduction to Cloud Asset Inventory](https://cloud.google.com/asset-inventory/docs/overview) for all supported asset types and relationship types.
          "A String",
        ],
      },
      "updateMask": "A String", # Required. Only updates the `feed` fields indicated by this mask. The field mask must not be empty, and it must not contain fields that are immutable or only set by the server.
    }

      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # An asset feed used to export asset updates to a destinations. An asset feed filter controls what updates are exported. The asset feed must be created within a project, organization, or folder. Supported destinations are: Pub/Sub topics.
      "assetNames": [ # A list of the full names of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `//compute.googleapis.com/projects/my_project_123/zones/zone1/instances/instance1`. See [Resource Names](https://cloud.google.com/apis/design/resource_names#full_resource_name) for more info.
        "A String",
      ],
      "assetTypes": [ # A list of types of the assets to receive updates. You must specify either or both of asset_names and asset_types. Only asset updates matching specified asset_names or asset_types are exported to the feed. Example: `"compute.googleapis.com/Disk"` See [this topic](https://cloud.google.com/asset-inventory/docs/supported-asset-types) for a list of all supported asset types.
        "A String",
      ],
      "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. Example (Comparison): title: "Summary size limit" description: "Determines if a summary is less than 100 chars" expression: "document.summary.size() < 100" Example (Equality): title: "Requestor is owner" description: "Determines if requestor is the document owner" expression: "document.owner == request.auth.claims.email" Example (Logic): title: "Public documents" description: "Determine whether the document should be publicly visible" expression: "document.type != 'private' && document.type != 'internal'" Example (Data Manipulation): title: "Notification string" description: "Create a notification string with a timestamp." expression: "'New message received at ' + string(document.create_time)" The exact variables and functions that may be referenced within an expression are determined by the service that evaluates it. See the service documentation for additional information. # A condition which determines whether an asset update should be published. If specified, an asset will be returned only when the expression evaluates to true. When set, `expression` field in the `Expr` must be a valid [CEL expression] (https://github.com/google/cel-spec) on a TemporalAsset with name `temporal_asset`. Example: a Feed with expression ("temporal_asset.deleted == true") will only publish Asset deletions. Other fields of `Expr` are optional. See our [user guide](https://cloud.google.com/asset-inventory/docs/monitoring-asset-changes-with-condition) for detailed instructions.
        "description": "A String", # Optional. Description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.
        "expression": "A String", # Textual representation of an expression in Common Expression Language syntax.
        "location": "A String", # Optional. String indicating the location of the expression for error reporting, e.g. a file name and a position in the file.
        "title": "A String", # Optional. Title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.
      },
      "contentType": "A String", # Asset content type. If not specified, no content but the asset name and type will be returned.
      "feedOutputConfig": { # Output configuration for asset feed destination. # Required. Feed output configuration defining where the asset updates are published to.
        "pubsubDestination": { # A Pub/Sub destination. # Destination on Pub/Sub.
          "topic": "A String", # The name of the Pub/Sub topic to publish to. Example: `projects/PROJECT_ID/topics/TOPIC_ID`.
        },
      },
      "name": "A String", # Required. The format will be projects/{project_number}/feeds/{client-assigned_feed_identifier} or folders/{folder_number}/feeds/{client-assigned_feed_identifier} or organizations/{organization_number}/feeds/{client-assigned_feed_identifier} The client-assigned feed identifier must be unique within the parent project/folder/organization.
      "relationshipTypes": [ # A list of relationship types to output, for example: `INSTANCE_TO_INSTANCEGROUP`. This field should only be specified if content_type=RELATIONSHIP. * If specified: it outputs specified relationship updates on the [asset_names] or the [asset_types]. It returns an error if any of the [relationship_types] doesn't belong to the supported relationship types of the [asset_names] or [asset_types], or any of the [asset_names] or the [asset_types] doesn't belong to the source types of the [relationship_types]. * Otherwise: it outputs the supported relationships of the types of [asset_names] and [asset_types] or returns an error if any of the [asset_names] or the [asset_types] has no replationship support. See [Introduction to Cloud Asset Inventory](https://cloud.google.com/asset-inventory/docs/overview) for all supported asset types and relationship types.
        "A String",
      ],
    }