---
title: "CopyUp"
slug: "copyup"
updated: 2026-06-08T17:05:37Z
published: 2026-06-08T17:05:37Z
canonical: "docs.datajet.app/copyup"
---

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

# CopyUp

Copies a field from the MANY (Foreign) table to the ONE (primary) table.

| Key | Value | Description |
| --- | --- | --- |
| method | CopyUp | Copies field from Foreign to Primary Table |
| project | "currentprojectname" | The current project |
| targetTable | "primarytablename" | The table on which to create the new field |
| sourceField | "foreignfieldfullname" | The fully qualified name of the field to copy |
| keyField | "keyfieldfullname" | NOT USED |
| name | "targetfieldshortname" | Name of new field |
| dataSet | {} | Dataset of records to copy. |
| overwrite | true/false |  |

```json
{
  "method": "CopyUp",
  "project": "",
  "targetTable": "",
  "sourceField": "",
  "keyField": "",
  "name": "",
  "dataSet": {},
  "overwrite": false
}
```