def METHOD_NAME(bookmark_id: Optional[pulumi.Input[str]] = None,
                                 relation_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[GetBookmarkRelationResult]:
    """
    Gets a bookmark relation.
    :param str bookmark_id: Bookmark ID
    :param str relation_name: Relation Name
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    :param str workspace_name: The name of the workspace.
    """
    ...