---
title: Execute Expr Expression
sidebar:
  label: Expr
  order: 2
---

The processor will execute the provided Expr expression and return the result as the new payload. This processor will return an error if the expression cannot be executed or if there is an error during execution. The expression will have access to the [wrapped payload](/concepts/payloads).

- **type**: `script.expr`
- **params**:
  - **expression**: the Expr expressiont to execute.

### Example

This example will add 1 to the wrapped payload.

```yaml
- type: script.expr
  params:
    expression: "Payload + 1"
```