[**brk-client**](../README.md) *** [brk-client](../globals.md) / DataRangeFormat # Interface: DataRangeFormat Defined in: [Developer/brk/modules/brk-client/index.js:471](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L471) ## Properties ### end? > `optional` **end?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:473](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L473) 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:475](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L475) Format of the output *** ### limit? > `optional` **limit?**: `number` \| `null` Defined in: [Developer/brk/modules/brk-client/index.js:474](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L474) 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:472](https://github.com/bitcoinresearchkit/brk/blob/cc5b6da341b469859cb457c9c0c93a547eb6ee00/modules/brk-client/index.js#L472) Inclusive start: integer index, date (YYYY-MM-DD), or timestamp (ISO 8601). Negative integers count from end. Aliases: `from`, `f`, `s`