Method AddRevision(RevisionNr: string, Description: string): integer
Description
Creates a new engineering item revision based on the current revision. Not all field values will be copied: some fields will be filled by the default values of a new engineering item. This applies to fields for creation data, release data and status info.
In order to create a new engineering item revision that is not based on a current one, use the Insert method.
Result
The new revision ID or -1 in case no new revision has been created. No user interaction is required.