sl@0: ## simplest possible valid message
sl@0: 
sl@0: ## VALID_HEADER includes a LENGTH Header and LENGTH Body
sl@0: VALID_HEADER method_call
sl@0: REQUIRED_FIELDS
sl@0: 
sl@0: ALIGN 8
sl@0: END_LENGTH Header
sl@0: START_LENGTH Body
sl@0: END_LENGTH Body