---
title: "MapMissingFields"
slug: "mapmissingfields"
updated: 2023-10-10T09:23:02Z
published: 2023-10-10T09:23:02Z
canonical: "docs.datajet.app/mapmissingfields"
---

> ## 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.

# MapMissingFields

Creates empty string fields if specified fields are not found on the targetTable.

| Key | Value(s) | Description |
| --- | --- | --- |
| method | "MapMissingFields" | Creates empty string fields if specified fields are not found on the targetTable. |
| project | "ProjectName" | Current project name |
| table | "TableName" | Short name of table to be modified. |
| fields | [ {"targetName":"fieldname1"}, {"targetName":"fieldname2"} ] | Array of fields to be made if not already present. |

Use this method to confirm that required fields are present on a table even though it is valid for them to be missing from data input process.

```json
{
  "method": "MapMissingFields",
  "table": "DELTA",
  "fields": [
    {
      "targetName": "RecordsToKeep"
    }
  ],
  "description": "Add RecordsToKeep",
  "project": "Issues"
}
```

See Also:

- [MapMissingFieldsFromTable](/v1/docs/mapmissingfieldsfromtable)
- [MapFieldNamesFromTable](/v1/docs/mapfieldnamesfromtable)
- [MapFieldNames](/v1/docs/mapfieldnames)