[**brk-client**](../README.md) *** [brk-client](../globals.md) / MetricsTree\_Indexes\_Halvingepoch # Interface: MetricsTree\_Indexes\_Halvingepoch Defined in: [Developer/brk/modules/brk-client/index.js:3896](https://github.com/bitcoinresearchkit/brk/blob/36bc1fb4912b070acbe47217b1be5b7c1096f80f/modules/brk-client/index.js#L3896) ## Properties ### firstHeight > **firstHeight**: [`MetricPattern10`](../type-aliases/MetricPattern10.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:3898](https://github.com/bitcoinresearchkit/brk/blob/36bc1fb4912b070acbe47217b1be5b7c1096f80f/modules/brk-client/index.js#L3898) *** ### identity > **identity**: [`MetricPattern10`](../type-aliases/MetricPattern10.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:3897](https://github.com/bitcoinresearchkit/brk/blob/36bc1fb4912b070acbe47217b1be5b7c1096f80f/modules/brk-client/index.js#L3897)