[**brk-client**](../README.md) *** [brk-client](../globals.md) / DateSingleItemBuilder # Interface: DateSingleItemBuilder\ Defined in: [Developer/brk/modules/brk-client/index.js:1639](https://github.com/bitcoinresearchkit/brk/blob/6e8be1af2225890fe02f0a4598e3a4fa8251f535/modules/brk-client/index.js#L1639) ## Type Parameters ### T `T` ## Properties ### fetch > **fetch**: (`onValue?`) => `Promise`\<[`DateSeriesData`](../type-aliases/DateSeriesData.md)\<`T`\>\> Defined in: [Developer/brk/modules/brk-client/index.js:1640](https://github.com/bitcoinresearchkit/brk/blob/6e8be1af2225890fe02f0a4598e3a4fa8251f535/modules/brk-client/index.js#L1640) Fetch the item #### Parameters ##### onValue? (`value`) => `void` #### Returns `Promise`\<[`DateSeriesData`](../type-aliases/DateSeriesData.md)\<`T`\>\> *** ### fetchCsv > **fetchCsv**: () => `Promise`\<`string`\> Defined in: [Developer/brk/modules/brk-client/index.js:1641](https://github.com/bitcoinresearchkit/brk/blob/6e8be1af2225890fe02f0a4598e3a4fa8251f535/modules/brk-client/index.js#L1641) Fetch as CSV #### Returns `Promise`\<`string`\> *** ### then > **then**: [`DateThenable`](../type-aliases/DateThenable.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1642](https://github.com/bitcoinresearchkit/brk/blob/6e8be1af2225890fe02f0a4598e3a4fa8251f535/modules/brk-client/index.js#L1642) Thenable