[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Hour12 # Interface: SeriesTree\_Indexes\_Hour12 Defined in: [Developer/brk/modules/brk-client/index.js:5782](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L5782) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern7`](../type-aliases/SeriesPattern7.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:5783](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L5783)