The syntax of this message is specified in section

This message MUST be sent if there is a response from the higher layer for a corresponding RUNSPACEPOOL_HOST_CALL message (section

The RunspacePool MUST be in an Opened or NegotiationSucceeded state (section when this message is sent.

While constructing this message, the client MUST extract the "ci" (call id) value from the RUNSPACEPOOL_HOST_CALL message associated with the RunspacePool (section and use the same value in the "ci" portion of the message.

If a response could not be constructed, the client MUST close the RunspacePool as described in section