# Functions

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

##  encode

▸ **encode**(input?: * `null` &#124; `Uint8Array` &#124; `Array`< `null` &#124; `Uint8Array`>*): `Uint8Array`

*Defined in [encode.ts:94](https://github.com/polkadot-js/common/blob/e5cab29/packages/trie-codec/src/encode.ts#L94)*

**Parameters:**

| Name | Type |
| ------ | ------ |
| `Optional` input |  `null` &#124; `Uint8Array` &#124; `Array`< `null` &#124; `Uint8Array`>|

**Returns:** `Uint8Array`

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