> ## 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.

# Approval

> Kotlin Data Class

**Data Class**

```kotlin theme={null}
data class Approval(val signer: String, val signature: ApprovalSignature, val metadata: ApprovalMetadata? = null)
```

## Constructors

```kotlin theme={null}
constructor(signer: String, signature: ApprovalSignature, metadata: ApprovalMetadata? = null)
```

## Properties

### metadata

```kotlin theme={null}
val metadata: ApprovalMetadata? = null
```

### signature

```kotlin theme={null}
val signature: ApprovalSignature
```

### signer

```kotlin theme={null}
val signer: String
```