[**brk-client**](../README.md) *** [brk-client](../globals.md) / MetricEndpointBuilder # Interface: MetricEndpointBuilder\ Defined in: [Developer/brk/modules/brk-client/index.js:848](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L848) ## Type Parameters ### T `T` ## Properties ### fetch() > **fetch**: (`onUpdate?`) => `Promise`\<[`MetricData`](MetricData.md)\<`T`\>\> Defined in: [Developer/brk/modules/brk-client/index.js:854](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L854) Fetch all data #### Parameters ##### onUpdate? (`value`) => `void` #### Returns `Promise`\<[`MetricData`](MetricData.md)\<`T`\>\> *** ### fetchCsv() > **fetchCsv**: () => `Promise`\<`string`\> Defined in: [Developer/brk/modules/brk-client/index.js:855](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L855) Fetch all data as CSV #### Returns `Promise`\<`string`\> *** ### first() > **first**: (`n`) => [`RangeBuilder`](RangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:851](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L851) Get first n items #### Parameters ##### n `number` #### Returns [`RangeBuilder`](RangeBuilder.md)\<`T`\> *** ### get() > **get**: (`index`) => [`SingleItemBuilder`](SingleItemBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:849](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L849) Get single item at index #### Parameters ##### index `number` #### Returns [`SingleItemBuilder`](SingleItemBuilder.md)\<`T`\> *** ### last() > **last**: (`n`) => [`RangeBuilder`](RangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:852](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L852) Get last n items #### Parameters ##### n `number` #### Returns [`RangeBuilder`](RangeBuilder.md)\<`T`\> *** ### path > **path**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:857](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L857) The endpoint path *** ### skip() > **skip**: (`n`) => [`SkippedBuilder`](SkippedBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:853](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L853) Skip first n items, chain with take() #### Parameters ##### n `number` #### Returns [`SkippedBuilder`](SkippedBuilder.md)\<`T`\> *** ### slice() > **slice**: (`start?`, `end?`) => [`RangeBuilder`](RangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:850](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L850) Slice like Array.slice #### Parameters ##### start? `number` ##### end? `number` #### Returns [`RangeBuilder`](RangeBuilder.md)\<`T`\> *** ### then > **then**: [`Thenable`](../type-aliases/Thenable.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:856](https://github.com/bitcoinresearchkit/brk/blob/467dfcc4b801a25e7d5f0ec4af8dddfffc3861d4/modules/brk-client/index.js#L856) Thenable (await endpoint)