This function returns the content of attribute "Description" of a field or node from the source or target structure.

If a node/field is not found, the return value is an empty string ("") with set Empty Flag.

Parameters

Parameter	Description
a	Name of the source/target structure field/node (parameter type "Value"). Note: If parameter type "Link" is used, the description text of the linked source structure field is returned. If parameter type "Source field" or "Target field" is used, the description text of the corresponding source/target structure field is delivered. In these cases, parameter b can remain empty.
b	(optional) "true" must be set if a refers to the target structure. Default: "false".