(hook-command-relation-ids)= # `relation-ids` ## Summary List all relation IDs for the given endpoint. ## Usage ``` relation-ids [options] ``` ### Options | Flag | Default | Usage | | --- | --- | --- | | `--format` | smart | Specify output format (json|smart|yaml) | | `-o`, `--output` | | Specify an output file | ## Examples relation-ids database ## Details relation-ids outputs a list of the related applications with a relation name. Accepts a single argument (relation-name) which, in a relation hook, defaults to the name of the current relation. The output is useful as input to the relation-list, relation-get, relation-set, and relation-model-get commands to read or write other relation values. Only relation ids for relations which are not broken are included.