[This is preliminary documentation and is subject to change.]
Gets or sets the value of the <SIF_SourceId> element.
The SIF_SourceId element of this object.
The SIF specification defines the meaning of this element as: "The SIF_SourceId is the ID of the originator of the message. Each source needs to have a zone unique case-sensitive identifier."
Version: 2.0
Since: 1.1