You'll be prompted to select pairs from the list or be given the option to choose the people you were last pairing with. This is enabled by the prepare-commit-msg hook.
You'll be warned if you're trying to commit to the trunk without specifying a pair
Configuration
select command
Check here for defaults and the latest documentation
--authorsFile - the path to your authors.json file
--pairsFile - the path to your pairs.json file
--interactive - set this to false if you're using a non-interactive console
validate command
Check here for defaults and the latest documentation
--trunkName - the name of the trunk branch
--protectTrunk - if true, people will not be able to commit to the trunk branch without specifying a pair