Type:string or LLL reference

This string will be appended (not prepended, contrary to the name of this option) to the title of a record copy when it is inserted on the same PID as the original record to distinguish them.

Usually the value is something like :php:` (copy %s)` which signifies that it was a copy that was just inserted (The token %s will be replaced by the copy number).

Note it is possible to disable this feature on a page and user or group level using the Page TSconfig option disablePrependAtCopy.