[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Minute30 # Interface: SeriesTree\_Indexes\_Minute30 Defined in: [Developer/brk/modules/brk-client/index.js:5767](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L5767) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern4`](../type-aliases/SeriesPattern4.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:5768](https://github.com/bitcoinresearchkit/brk/blob/e4496742a4964a986078f3a65d3bfdc1e47a5eba/modules/brk-client/index.js#L5768)