modifies
The keyword is a homonym. It is used to...
  - define  a modified template. See the keyword template;
- define an in-line modified template. See the keywords match, valueof, function, testcase,
  send, call, reply,
  raise, receive, getreply, catch.
Related keywords:
BNF definition of modifies (sense 1)
BNF definition of modifies (sense 2)