[**brk-client**](../README.md) *** [brk-client](../globals.md) / MetricsTree\_Indexes\_Halvingepoch # Interface: MetricsTree\_Indexes\_Halvingepoch Defined in: [Developer/brk/modules/brk-client/index.js:3583](https://github.com/bitcoinresearchkit/brk/blob/64b90dd67834dd5b6acaff4f9a227efc18ccfed0/modules/brk-client/index.js#L3583) ## Properties ### firstHeight > **firstHeight**: [`MetricPattern10`](../type-aliases/MetricPattern10.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:3584](https://github.com/bitcoinresearchkit/brk/blob/64b90dd67834dd5b6acaff4f9a227efc18ccfed0/modules/brk-client/index.js#L3584) *** ### identity > **identity**: [`MetricPattern10`](../type-aliases/MetricPattern10.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:3585](https://github.com/bitcoinresearchkit/brk/blob/64b90dd67834dd5b6acaff4f9a227efc18ccfed0/modules/brk-client/index.js#L3585)