[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Hour12 # Interface: SeriesTree\_Indexes\_Hour12 Defined in: [Developer/brk/modules/brk-client/index.js:6138](https://github.com/bitcoinresearchkit/brk/blob/d161462137a58a76f972f5e15b0029af02a165ca/modules/brk-client/index.js#L6138) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern7`](../type-aliases/SeriesPattern7.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:6139](https://github.com/bitcoinresearchkit/brk/blob/d161462137a58a76f972f5e15b0029af02a165ca/modules/brk-client/index.js#L6139)