# Functions

<a id="encode"></a>

##  encode

▸ **encode**(input?: *`null` \| `Uint8Array` \| `Array`<`null` \| `Uint8Array`>*): `Uint8Array`

*Defined in [encode.ts:101](https://github.com/polkadot-js/common/blob/e19d377/packages/trie-codec/src/encode.ts#L101)*

**Parameters:**

| Name | Type |
| ------ | ------ |
| `Optional` input | `null` \| `Uint8Array` \| `Array`<`null` \| `Uint8Array`> |

**Returns:** `Uint8Array`

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