[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Hour12 # Interface: SeriesTree\_Indexes\_Hour12 Defined in: [Developer/brk/modules/brk-client/index.js:6205](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L6205) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern7`](../type-aliases/SeriesPattern7.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:6206](https://github.com/bitcoinresearchkit/brk/blob/7a718293c0ddbae305c8352474c81c0e99fe1200/modules/brk-client/index.js#L6206)