[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Hour12 # Interface: SeriesTree\_Indexes\_Hour12 Defined in: [Developer/brk/modules/brk-client/index.js:6058](https://github.com/bitcoinresearchkit/brk/blob/25b226856307047c5c10a075ec57219ca9987c38/modules/brk-client/index.js#L6058) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern7`](../type-aliases/SeriesPattern7.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:6059](https://github.com/bitcoinresearchkit/brk/blob/25b226856307047c5c10a075ec57219ca9987c38/modules/brk-client/index.js#L6059)