---
title: "Collection.AddCustomField"
slug: "collectionaddcustomfield"
updated: 2024-05-14T14:22:58Z
published: 2024-05-14T14:22:58Z
canonical: "help.mozenda.com/collectionaddcustomfield"
---

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

# Collection.AddCustomField

### Description

Create a custom field to all new collections in an account.

### URL parameters

          URL parameter ordering

          

The **URL parameters** below are listed in the order they should be entered in the API **URL**.

| Name | Required | Type | Description |
| --- | --- | --- | --- |
| `Name` | True | string | Name of the new custom field. |
| `Description` | False | string | Description of the custom field. |
| `Format` | False | string | Format of the field. Either text, DateTime, URL, File, Number. |
| `Default Value` | False | string | Default value for the custom field. |
| `Confidential` | False | string | Set the agent as confidential. Default as not confidential. |

### Responses

| Name | Type | Description |
| --- | --- | --- |
| `Result` | string | `Success` if the operation was successful. |
| `FieldID` | numeric | The ID number of the custom field. |