# Dialogflow API . projects . locations . agent . environments

## Instance Methods

Returns the users Resource.

Close httplib2 connections.

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

Retrieves the next page of results.

### Method Details

`close()`

    Close httplib2 connections.

`list(parent, pageToken=None, pageSize=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//agent` - `projects//locations//agent` (required)
      pageToken: string, Optional. The next_page_token value returned from a previous list request.
      pageSize: integer, Optional. The maximum number of items to return in a single page. By default 100 and at most 1000.
      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.
        "nextPageToken": "A String", # Token to retrieve the next page of results, or empty if there are no more results in the list.
        "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).
            "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.
            "agentVersion": "A String", # Optional. The agent version loaded into this environment. Supported formats: - `projects//agent/versions/` - `projects//locations//agent/versions/`
            "description": "A String", # Optional. The developer-provided description for this environment. The maximum length is 500 characters. If exceeded, the request is rejected.
            "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.
            "name": "A String", # Output only. The unique identifier of this agent environment. Supported formats: - `projects//agent/environments/` - `projects//locations//agent/environments/`
          },
        ],
      }

`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.