Import messages from other systems into Symphony.

Sends a message to be imported into the system. Allows you to override the timestamp and author of the message with your desired values. The requesting user must have the Content Management role. The user that the message is intended to have come from must also be present in the conversation. The intended message timestamp must be a valid time from the past. It cannot be a future timestamp. Optionally the original message ID can be specified to identify the imported message for the purpose of...