//tag::ref-doc[] = Time Source The time source will simply emit a String with the current time every so often. == Options The **$$time$$** $$source$$ has the following options: //tag::configuration-properties[group=false] $$spring.cloud.stream.poller.cron$$:: $$Cron expression value for the Cron Trigger.$$ *($$String$$, default: `$$<none>$$`)* $$spring.cloud.stream.poller.fixed-delay$$:: $$Fixed delay for default poller.$$ *($$Long$$, default: `$$1000$$`)* $$spring.cloud.stream.poller.initial-delay$$:: $$Initial delay for periodic triggers.$$ *($$Integer$$, default: `$$0$$`)* $$spring.cloud.stream.poller.max-messages-per-poll$$:: $$Maximum messages per poll for the default poller.$$ *($$Long$$, default: `$$1$$`)* $$spring.cloud.stream.poller.time-unit$$:: $$The TimeUnit to apply to delay values.$$ *($$TimeUnit$$, default: `$$<none>$$`, possible values: `NANOSECONDS`,`MICROSECONDS`,`MILLISECONDS`,`SECONDS`,`MINUTES`,`HOURS`,`DAYS`)* $$time.date-format$$:: $$Format for the date value.$$ *($$String$$, default: `$$MM/dd/yy HH:mm:ss$$`)* //end::configuration-properties[] //end::ref-doc[]