[**brk-client**](../README.md) *** [brk-client](../globals.md) / OptionalTimestampParam # Interface: OptionalTimestampParam Defined in: [Developer/brk/modules/brk-client/index.js:702](https://github.com/bitcoinresearchkit/brk/blob/1ddb3385e298de5498f1b3bf48bb88ed008d8e17/modules/brk-client/index.js#L702) ## Properties ### timestamp? > `optional` **timestamp?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:703](https://github.com/bitcoinresearchkit/brk/blob/1ddb3385e298de5498f1b3bf48bb88ed008d8e17/modules/brk-client/index.js#L703)