> ## Documentation Index
> Fetch the complete documentation index at: https://docs.parmanasystems.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Function: signApproval()

> **signApproval**(`input`): [`SignedApproval`](/sdks/reference/typescript/interfaces/SignedApproval)

Defined in: [typescript/src/crypto/approval.ts:94](https://github.com/pavancharak/AgentLabsBuildathon/blob/main/typescript/src/crypto/approval.ts#L94)

## Parameters

### input

[`SignApprovalInput`](/sdks/reference/typescript/interfaces/SignApprovalInput)

## Returns

[`SignedApproval`](/sdks/reference/typescript/interfaces/SignedApproval)