# Functions

<a id="createsubstream"></a>

##  createSubstream

▸ **createSubstream**(value: *`Uint8Array`*): `Uint8Array`

*Defined in [stream/createSubstream.ts:8](https://github.com/polkadot-js/common/blob/2d4097d/packages/trie-codec/src/stream/createSubstream.ts#L8)*

**Parameters:**

| Name | Type |
| ------ | ------ |
| value | `Uint8Array` |

**Returns:** `Uint8Array`

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