> ## 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.

# OnChainData

> Kotlin Data Class

**Data Class**

```kotlin theme={null}
data class OnChainData(val userOperation: UserOperation?, val userOperationHash: String?, val explorerLink: String?, val txId: String?, val transaction: String?, val lastValidBlockHeight: Int?)
```

## Constructors

```kotlin theme={null}
constructor(userOperation: UserOperation?, userOperationHash: String?, explorerLink: String?, txId: String?, transaction: String?, lastValidBlockHeight: Int?)
```

## Properties

| Property               | Type             | Description |
| ---------------------- | ---------------- | ----------- |
| `explorerLink`         | `String?`        | -           |
| `lastValidBlockHeight` | `Int?`           | -           |
| `transaction`          | `String?`        | -           |
| `txId`                 | `String?`        | -           |
| `userOperation`        | `UserOperation?` | -           |
| `userOperationHash`    | `String?`        | -           |