CmdID / Commands
wacli-contacts-tags-add
Add a tag to a WhatsApp contact. tldr-pages
On several platforms
Add a tag to a contact
wacli contacts tags add phone_number@s.whatsapp.net tagIdentify
Add a tag using a custom store
wacli contacts tags add phone_number@s.whatsapp.net tag --store path/to/storeIdentify