> ## 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.

# ExternalWalletSignerConfig

<Note>
  **This page has been updated for Wallets SDK V1.** If you are using the previous version,
  see the [previous version docs](/wallets/v0/overview) or the [V1 migration guide](/wallets/guides/migrate-to-v1).
</Note>

> **ExternalWalletSignerConfig** = `object`

Defined in: packages/common/base/dist/types/signers.d.ts:3

## Properties

### address

> **address**: `string`

Defined in: packages/common/base/dist/types/signers.d.ts:5

***

### onSign

> **onSign**: (`transaction`) => `Promise`\<`VersionedTransaction`> | (`payload`) => `Promise`\<`string`>

Defined in: packages/common/base/dist/types/signers.d.ts:6

***

### type

> **type**: `"external-wallet"`

Defined in: packages/common/base/dist/types/signers.d.ts:4