> ## Documentation Index
> Fetch the complete documentation index at: https://crossmint-devin-1787949784-wallet-docs-two-concept-model.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# NonCustodialSignerCallback

> Swift Structure

**Structure**

```swift theme={null}
struct NonCustodialSignerCallback
```

## Instance Properties

| Property       | Type               | Description |
| -------------- | ------------------ | ----------- |
| `otpCancelled` | `() -> Void`       | -           |
| `otpCode`      | `(String) -> Void` | -           |

## Type Properties

| Property | Type                         | Description |
| -------- | ---------------------------- | ----------- |
| `noOp`   | `NonCustodialSignerCallback` | -           |