3.2.5.4.8 RUNSPACE_AVAILABILITY Message
The syntax of this message is specified in section 3.1.5.4.8.
The server MUST send this message as a response to a SET_MAX_RUNSPACES message (section 2.2.2.6), SET_MIN_RUNSPACES message (section 2.2.2.7), or GET_AVAILABLE_RUNSPACES message (section 2.2.2.11) using a wxf:ReceiveResponse message (section 3.2.5.3.8) targeted to a RunspacePool.
When this message is sent, the RunspacePool MUST be in an Opened state.
While constructing this message, the server MUST extract the "ci" (call id) value from the corresponding SET_MAX_RUNSPACES message (section 2.2.2.6), SET_MIN_RUNSPACES message (section 2.2.2.7) or GET_AVAILABLE_RUNSPACES message (section 2.2.2.11) and use the same value in the "ci" portion of the message.