def METHOD_NAME(named_value_id: Optional[pulumi.Input[str]] = None,
                                     resource_group_name: Optional[pulumi.Input[str]] = None,
                                     service_name: Optional[pulumi.Input[str]] = None,
                                     workspace_id: Optional[pulumi.Input[str]] = None,
                                     opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetWorkspaceNamedValueResult]:
    """
    Gets the details of the named value specified by its identifier.
    :param str named_value_id: Identifier of the NamedValue.
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    :param str service_name: The name of the API Management service.
    :param str workspace_id: Workspace identifier. Must be unique in the current API Management service instance.
    """
    ...