# packUOSignature

> Overview of the packUOSignature function

> For the complete documentation index, see [llms.txt](/docs/llms.txt).

{/* This file is auto-generated by TypeDoc. Do not edit manually. */}

```ts
function packUOSignature(params): `0x${string}`;
```

Defined in: [packages/smart-accounts/src/ma-v2/utils/signature.ts:15](https://github.com/alchemyplatform/aa-sdk/blob/v5.x.x/packages/smart-accounts/src/ma-v2/utils/signature.ts#L15)

Signature packing utility for user operations.

## Parameters

<table>
  <thead>
    <tr>
      <th align="left">Parameter</th>
      <th align="left">Type</th>
      <th align="left">Description</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td>
        `params`
      </td>

      <td>
        [`PackUOSignatureParams`](../type-aliases/PackUOSignatureParams)
      </td>

      <td>
        The parameters for packing a user operation signature.
      </td>
    </tr>

  </tbody>
</table>

## Returns

`` `0x${string}` ``

The packed user operation signature.