[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [promisePoll](./rc-js-util.promisepoll.md) ## promisePoll() function **Signature:** ```typescript export declare function promisePoll(predicate: () => boolean, pollInterval?: number | undefined, maxTicks?: number): INonblockingPoll; ``` ## Parameters

Parameter	Type	Description
predicate	() => boolean	Once true, the poll finishes. Exceptions are not supported.
pollInterval	number \| undefined	_(Optional)_ In milliseconds, defaults to smallest (probably 4 ms).
maxTicks	number	_(Optional)_ The number of times to run the poll before giving up.

**Returns:** [INonblockingPoll](./rc-js-util.inonblockingpoll.md)