For Neople :)
Is there a specific app this action is for?
Trengo
List labels → https://developers.trengo.com/reference/list-all-labels
Get label → https://developers.trengo.com/reference/get-a-label
Add label → https://developers.trengo.com/reference/apply-a-label
Fetch messages → https://developers.trengo.com/reference/fetch-a-message