> ## 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.

# OfframpTransaction

> Swift Structure

**Structure**

The deposit that the offramp asks the payer to sign and send.

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

## Instance Properties

| Property | Type | Description |
| - | - | - |
| `chain` | `String` | The chain of the transaction, for example `base-sepolia` or `solana`. |
| `payerAddress` | `String` | The wallet that must send the transaction. |
| `serializedTransaction` | `String` | The serialized transaction to sign and send unchanged. |