---
title: "MapFieldNames"
slug: "mapfieldnames"
updated: 2023-10-10T09:21:01Z
published: 2023-10-10T09:21:01Z
canonical: "docs.datajet.app/mapfieldnames"
---

> ## 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.

# MapFieldNames

Bulk rename of a list of fields in an individual table.

| Key | Value(s) | Description |
| --- | --- | --- |
| method | "MapFieldNames" | Bulk rename of a list of fields in an individual table. |
| project | "CurrentProjectName" | Current Project name |
| table | "TargetTableName" | Table containing fields to be renamed |
| fields | [ {"sourceName":"oldname1" , "targetName","newname1"}, {"sourceName":"oldname2" , "targetName","newname2"} ] | Array of sourcename/targetname pairs to rename |

InjectTablesMapFieldNames is not supported on [injected tables](/v1/docs/deep-dive-sharing-data-by-injection).

![](https://cdn.document360.io/73b6469b-c1e4-47e9-aa65-986c8ebd17ca/Images/Documentation/image-1695809949909.png)

```json
{
  "method": "MapFieldNames",
  "table": "DELTA",
  "fields": [
    {
      "sourceName": "test",
      "targetName": "index"
    }
  ],
  "description": "Rename test to index",
  "project": "Issues"
}
```