2.2.3.28 ClientId
The ClientId element is used in the following command requests and responses:
SendMail command requests (section 2.2.1.17)
SmartForward command requests (section 2.2.1.19)
SmartReply command requests (section 2.2.1.20)
Sync command requests and responses (section 2.2.1.21)
The definition of the ClientId element differs according to the context in which it is used. For more details, see section 2.2.3.28.1 and section 2.2.3.28.2.