# Dialogflow API . projects . locations . agent . environments

## Instance Methods

Returns the users Resource.

Returns the list of all non-draft environments of the specified agent.

Retrieves the next page of results.

### Method Details

`list(parent, pageSize=None, pageToken=None, x__xgafv=None)`

    Returns the list of all non-draft environments of the specified agent.

    Args:
      parent: string, Required. The agent to list all environments from.
    Format:
    - `projects/<Project Number / ID>/agent`
    - `projects/<Project Number / ID>/locations/<Location
    ID>/agent (required)
      pageSize: integer, Optional. The maximum number of items to return in a single page. By default 100 and
    at most 1000.
      pageToken: string, Optional. The next_page_token value returned from a previous list request.
      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # The response message for Environments.ListEnvironments.
        "environments": [ # The list of agent environments. There will be a maximum number of items
            # returned based on the page_size field in the request.
          { # You can create multiple versions of your agent and publish them to separate
              # environments.
              #
              # When you edit an agent, you are editing the draft agent. At any point, you
              # can save the draft agent as an agent version, which is an immutable snapshot
              # of your agent.
              #
              # When you save the draft agent, it is published to the default environment.
              # When you create agent versions, you can publish them to custom environments.
              # You can create a variety of custom environments for:
              #
              # - testing
              # - development
              # - production
              # - etc.
              #
              # For more information, see the [versions and environments
              # guide](https://cloud.google.com/dialogflow/docs/agents-versions).
            "state": "A String", # Output only. The state of this environment. This field is read-only, i.e., it cannot be
                # set by create and update methods.
            "description": "A String", # Optional. The developer-provided description for this environment.
                # The maximum length is 500 characters. If exceeded, the request is rejected.
            "updateTime": "A String", # Output only. The last update time of this environment. This field is read-only, i.e., it
                # cannot be set by create and update methods.
            "name": "A String", # Output only. The unique identifier of this agent environment.
                # Format:
                # - `projects/<Project Number / ID>/agent/environments/<Environment ID>`
                # - `projects/<Project Number / ID>/locations/<Location
                # ID>/agent/environments/<Environment ID>`
            "agentVersion": "A String", # Optional. The agent version loaded into this environment.
                # Format: `projects/<Project ID>/agent/versions/<Version ID>`.
          },
        ],
        "nextPageToken": "A String", # Token to retrieve the next page of results, or empty if there are no
            # more results in the list.
      }

`list_next(previous_request, previous_response)`

    Retrieves the next page of results.

    Args:
      previous_request: The request for the previous page. (required)
      previous_response: The response from the request for the previous page. (required)

    Returns:
      A request object that you can call 'execute()' on to request the next
      page. Returns None if there are no more items in the collection.