---
title: "AddNullFieldLike"
slug: "addnullfieldlike"
updated: 2026-05-11T14:15:06Z
published: 2026-05-11T14:15:06Z
canonical: "docs.datajet.app/addnullfieldlike"
---

> ## 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.

# AddNullFieldLike

Adds a null field of matching type to source field

| Key | Value(s) | Description |
| --- | --- | --- |
| method | "AddNullFieldLike" | Adds a null field of matching type to source field |
| table | "TableName" | Table on which to create new field |
| name | "FieldName" | New field name |
| like | "SourceFieldName | Source field from which to get datatype |

```json
{
  "method": "AddNullFieldLike",
  "table": "yellow2",
  "name": "hvfhs_license_num",
  "like": "fhvhv.hvfhs_license_num",
  "project": "nyc_taxi"
}
```