Create a new release candidate for one or more items.

This endpoint creates a release candidate with items added to it. It does <b>not</b> release the candidate. Once the release candidate is successfully created, use updateReleasePackage to update all desired item/candidate properties, and transition it to the desired release state. See API Guide: Release Management for examples.

To add items from other documents, you must select Allow adding items from other documents in your Release management settings.