> ## Documentation Index
> Fetch the complete documentation index at: https://docs.morf.health/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Mapping Morf Forms Data to Third-Party Tools

> CEL expressions for transforming Morf Forms response data into the formats third party tools expect.

## Healthie

### Checkbox Group → Form Answer Group Multi-Select Checkbox

Feathery sends response data as an **array**. Healthie expects a **string delimited by `\n`**.

```
answers.?feathery_field_name.optMap(x,x.join(\n))
```

### Button Group (Single Select) → Form Answer Group Single Select

Feathery sends response data as an **array**. Healthie expects a **string**.

```
answers.?feathery_field_name.optMap(x,x.join())
```


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