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

# Signature

<Note>
  **This page has been updated for Wallets SDK V1.** If you are using the previous version,
  see the [previous version of this page](/sdk-reference/wallets/v0/typescript/type-aliases/Signature) or the [V1 migration guide](/wallets/guides/migrate-to-v1).
</Note>

> **Signature**\<`TPrepareOnly`> = `TPrepareOnly` *extends* `true` ? `object` : `object`

Defined in: [packages/wallets/src/wallets/types.ts:274](https://github.com/Crossmint/crossmint-sdk/blob/main/packages/wallets/src/wallets/types.ts#L274)

## Type Parameters

| Type Parameter                     | Default type |
| ---------------------------------- | ------------ |
| `TPrepareOnly` *extends* `boolean` | `false`      |