[**brk-client**](../README.md) *** [brk-client](../globals.md) / DataRangeFormat # Interface: DataRangeFormat Defined in: [Developer/brk/modules/brk-client/index.js:369](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L369) ## Properties ### end? > `optional` **end?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:371](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L371) Exclusive end: integer index, date (YYYY-MM-DD), or timestamp (ISO 8601). Negative integers count from end. Aliases: `to`, `t`, `e` *** ### format? > `optional` **format?**: [`Format`](../type-aliases/Format.md) Defined in: [Developer/brk/modules/brk-client/index.js:373](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L373) Format of the output *** ### limit? > `optional` **limit?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:372](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L372) Maximum number of values to return (ignored if `end` is set). Aliases: `count`, `c`, `l` *** ### start? > `optional` **start?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:370](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L370) Inclusive start: integer index, date (YYYY-MM-DD), or timestamp (ISO 8601). Negative integers count from end. Aliases: `from`, `f`, `s`