OpenWGA 7.6 - WebTML reference

Specifies the id of source tag for a iteration over content documents if type="content".

This attribute contains the id of the WebTML-tag which provides the content documents to iterate over with <tml:foreach>.
Is the attribute unset, the sourcetag will be stated automatically by a parent tag of type <tml:collection>.   

Valid tags for use as sourcetag are:

• <tml:collection>
• <tml:navigator> and all derived tag-types
• <tml:evaluate> and derived tag-types,  if their tag result is a list of content documents