Use this activity to replace a child document that has already been defined for a particular document. The document you select should be in the same state or in a higher state than the parent document. The state Released is higher than the state Approved, which is higher than the state Preliminary. Therefore, you can replace a document in state Approved with another document in state Approved, or with one that is in state Released.
Activity can be performed by selecting the revision needs to replaced from the Consists of tab and clicking on the Replace Revision command.
As a result of this activity, the existing child document will be replaced by another document which will take its place in the structure.