//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]
$$spring.integration.poller.cron$$:: $$Cron expression for polling. Mutually exclusive with 'fixedDelay' and 'fixedRate'.$$ *($$String$$, default: `$$<none>$$`)*
$$spring.integration.poller.fixed-delay$$:: $$Polling delay period. Mutually exclusive with 'cron' and 'fixedRate'.$$ *($$Duration$$, default: `$$<none>$$`)*
$$spring.integration.poller.fixed-rate$$:: $$Polling rate period. Mutually exclusive with 'fixedDelay' and 'cron'.$$ *($$Duration$$, default: `$$<none>$$`)*
$$spring.integration.poller.initial-delay$$:: $$Polling initial delay. Applied for 'fixedDelay' and 'fixedRate'; ignored for 'cron'.$$ *($$Duration$$, default: `$$<none>$$`)*
$$spring.integration.poller.max-messages-per-poll$$:: $$Maximum number of messages to poll per polling cycle.$$ *($$Integer$$, default: `$$<none>$$`)*
$$spring.integration.poller.receive-timeout$$:: $$How long to wait for messages on poll.$$ *($$Duration$$, default: `$$1s$$`)*
$$time.date-format$$:: $$Format for the date value.$$ *($$String$$, default: `$$MM/dd/yy HH:mm:ss$$`)*
//end::configuration-properties[]
//end::ref-doc[]
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