# Discovery Engine API . projects . locations . collections . dataStores . customModels

## Instance Methods

Close httplib2 connections.

Gets a list of all the custom models.

### Method Details

`close()`

    Close httplib2 connections.

`list(dataStore, x__xgafv=None)`

    Gets a list of all the custom models.

    Args:
      dataStore: string, Required. The resource name of the parent Data Store, such as `projects/*/locations/global/collections/default_collection/dataStores/default_data_store`. This field is used to identify the data store where to fetch the models from. (required)
      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # Response message for SearchTuningService.ListCustomModels method.
      "models": [ # List of custom tuning models.
        { # Metadata that describes a custom tuned model.
          "createTime": "A String", # Deprecated: Timestamp the Model was created at.
          "displayName": "A String", # The display name of the model.
          "errorMessage": "A String", # Currently this is only populated if the model state is `INPUT_VALIDATION_FAILED`.
          "metrics": { # The metrics of the trained model.
            "a_key": 3.14,
          },
          "modelState": "A String", # The state that the model is in (e.g.`TRAINING` or `TRAINING_FAILED`).
          "modelVersion": "A String", # The version of the model.
          "name": "A String", # Required. The fully qualified resource name of the model. Format: `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/customTuningModels/{custom_tuning_model}`. Model must be an alpha-numerical string with limit of 40 characters.
          "trainingStartTime": "A String", # Timestamp the model training was initiated.
        },
      ],
    }