def METHOD_NAME(endpoint_name: Optional[pulumi.Input[str]] = None,
                               resource_group_name: Optional[pulumi.Input[str]] = None,
                               workspace_name: Optional[pulumi.Input[str]] = None,
                               opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetOnlineEndpointResult]:
    """
    Use this data source to access information about an existing resource.
    :param str endpoint_name: Online Endpoint name.
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    :param str workspace_name: Name of Azure Machine Learning workspace.
    """
    ...