protocols / NotaryChangeProtocol / Instigator / topic

# topic

`protected val topic: String`
Overrides ProtocolLogic.topic

The topic to use when communicating with other parties. If more than one topic is required then use sub-protocols. Note that this is temporary until protocol sessions are properly implemented.

Getter

The topic to use when communicating with other parties. If more than one topic is required then use sub-protocols. Note that this is temporary until protocol sessions are properly implemented.