[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Hour12 # Interface: SeriesTree\_Indexes\_Hour12 Defined in: [Developer/brk/modules/brk-client/index.js:5567](https://github.com/bitcoinresearchkit/brk/blob/bdc3ba1df62c3c70339afe14f39c8c9a5a094c37/modules/brk-client/index.js#L5567) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern7`](../type-aliases/SeriesPattern7.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:5568](https://github.com/bitcoinresearchkit/brk/blob/bdc3ba1df62c3c70339afe14f39c8c9a5a094c37/modules/brk-client/index.js#L5568)