> ## 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.

# TransactionParams

> Kotlin Sealed Interface

**Sealed Interface**

```kotlin theme={null}
sealed interface TransactionParams
```

## Properties

### signer

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