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

# Batch Upsert (Advanced)

Batch upsert a record by external id

## Input

| Property        | Type        | Required | Description               |
| --------------- | ----------- | -------- | ------------------------- |
| object          | DROPDOWN    | Yes      | Select the Object         |
| external\_field | SHORT\_TEXT | Yes      | Select the External Field |
| records         | JSON        | Yes      | Select the Records        |

## Sample Output

```json theme={null}
{}
```