Contains one or more HTML signatures.
<Signature> <id type="uid"/> <ref="name"/> <default type="boolean" default="0"/> <part type="SignatureData"/> <global type="boolean" default="0"/>
Specifies the unique ID of the signature.
Specifies the name of the signature.
Specifies if this is the default signature.
Specifies the HTML signature.
Is not used at this time. There is no way to retrieve the global signature via Web Services.