SET-MUST-UNDERSTAND( ) method Sets the MUST-UNDERSTAND attribute for this SOAP header entry. Return type: LOGICAL Applies to: SOAP-header-entryref object handle Syntax SET-MUST-UNDERSTAND ( logical ) logical A logical variable containing the value of the MUST-UNDERSTAND attribute. Call this method once you have associated the XML with a SOAP header entry using the SET-NODE( ) method.
SET-MUST-UNDERSTAND ( logical )