Attach a label to multiple app instances in a single call. All app instances must belong to the same team as the label.
Documentation Index
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Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
The ID of the label to attach.
The IDs of the app instances to attach the label to. Must all belong to the same team as the label.
Success
The number of new attachments created (existing attachments are skipped).