[**brk-client**](../README.md) *** [brk-client](../globals.md) / MetricsTree\_Indexes\_Halvingepoch # Interface: MetricsTree\_Indexes\_Halvingepoch Defined in: [Developer/brk/modules/brk-client/index.js:3946](https://github.com/bitcoinresearchkit/brk/blob/0433e3b25662fded3395ef89ebe1c68d82b918b1/modules/brk-client/index.js#L3946) ## Properties ### firstHeight > **firstHeight**: [`MetricPattern10`](../type-aliases/MetricPattern10.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:3948](https://github.com/bitcoinresearchkit/brk/blob/0433e3b25662fded3395ef89ebe1c68d82b918b1/modules/brk-client/index.js#L3948) *** ### identity > **identity**: [`MetricPattern10`](../type-aliases/MetricPattern10.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:3947](https://github.com/bitcoinresearchkit/brk/blob/0433e3b25662fded3395ef89ebe1c68d82b918b1/modules/brk-client/index.js#L3947)