[**brk-client**](../README.md) *** [brk-client](../globals.md) / SingleItemBuilder # Interface: SingleItemBuilder\ Defined in: [Developer/brk/modules/brk-client/index.js:1759](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1759) ## Type Parameters ### T `T` ## Properties ### fetch > **fetch**: (`arg?`, `options?`) => `Promise`\<[`SeriesData`](../type-aliases/SeriesData.md)\<`T`\>\> Defined in: [Developer/brk/modules/brk-client/index.js:1760](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1760) Fetch the item #### Parameters ##### arg? [`SeriesFetchArg`](../type-aliases/SeriesFetchArg.md)\<`T`\> ##### options? [`ClientFetchOptions`](ClientFetchOptions.md)\<[`SeriesData`](../type-aliases/SeriesData.md)\<`T`\>\> #### Returns `Promise`\<[`SeriesData`](../type-aliases/SeriesData.md)\<`T`\>\> *** ### fetchCsv > **fetchCsv**: (`options?`) => `Promise`\<`string`\> Defined in: [Developer/brk/modules/brk-client/index.js:1761](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1761) Fetch as CSV #### Parameters ##### options? [`ClientFetchOptions`](ClientFetchOptions.md)\<`string`\> #### Returns `Promise`\<`string`\> *** ### then > **then**: [`Thenable`](../type-aliases/Thenable.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1762](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1762) Thenable