The source string attached to every published Axon event, or a
resolver invoked at publish time to obtain it. Use the resolver form to
change the source between messages without recreating the transport
(e.g. () => this.currentSource). When omitted, or when the resolver
returns undefined, the default is used.
The
sourcestring attached to every published Axon event, or a resolver invoked at publish time to obtain it. Use the resolver form to change thesourcebetween messages without recreating the transport (e.g.() => this.currentSource). When omitted, or when the resolver returnsundefined, the default is used.