def METHOD_NAME(resource_group_name: Optional[str] = None,
                        workspace_name: Optional[str] = None,
                        opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableListWorkspaceKeysResult:
    """
    Use this data source to access information about an existing resource.
    :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.
    """
    __args__ = dict()
    __args__['resourceGroupName'] = resource_group_name
    __args__['workspaceName'] = workspace_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:machinelearningservices/v20230601preview:listWorkspaceKeys', __args__, opts=opts, typ=ListWorkspaceKeysResult).value
    return AwaitableListWorkspaceKeysResult(
        app_insights_instrumentation_key=pulumi.get(__ret__, 'app_insights_instrumentation_key'),
        container_registry_credentials=pulumi.get(__ret__, 'container_registry_credentials'),
        notebook_access_keys=pulumi.get(__ret__, 'notebook_access_keys'),
        user_storage_arm_id=pulumi.get(__ret__, 'user_storage_arm_id'),
        user_storage_key=pulumi.get(__ret__, 'user_storage_key'))