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

# Update Data Record

The `update-data-record` function type updates an existing data record by ID.

## Usage

This function type is used in Actions to provide access to data collection update functionality.

## Configuration Example

```yaml theme={null}
name: Update Task
key: update-task
inputSchema:
  type: object
  properties:
    title:
      type: string
    status:
      type: string
type: update-data-record
config:
  dataSource:
    collectionKey: tasks
  fieldMapping:
    exportValue:
      summary:
        $var: $.input.title
      status:
        $var: $.input.status
  # Required: record ID
  id:
    $var: $.input.taskId
```

## Configuration Parameters

* `dataSource` - Data source configuration
  * `collectionKey` - Identifier of the data collection to operate on
  * `collectionParameters` - Parameters passed to the collection methods
  * `udm` - (for universal integrations only) Universal Data Model to write
* `fieldMapping` - Field mapping configuration
  * `exportValue` - Maps fields from your app to the external app format
* `id` - Record ID to update (supports formulas)

## Output Schema

```yaml theme={null}
type: object
properties:
  id:
    type: string
```