[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Hour12 # Interface: SeriesTree\_Indexes\_Hour12 Defined in: [Developer/brk/modules/brk-client/index.js:5831](https://github.com/bitcoinresearchkit/brk/blob/07bc2d42b87ba62f766e714bbde023393049d4b7/modules/brk-client/index.js#L5831) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern7`](../type-aliases/SeriesPattern7.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:5832](https://github.com/bitcoinresearchkit/brk/blob/07bc2d42b87ba62f766e714bbde023393049d4b7/modules/brk-client/index.js#L5832)