> Portal Navigation:
> 
> - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version.
> - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages).
> - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`).
> - Top-level index of all portals: https://dev.wix.com/docs/llms.txt
> - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt

# DeleteExtendedField

# Package: contacts

# Namespace: ContactExtendedFieldsServiceV4

# Method link: https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/delete-extended-field.md

## Permission Scopes:
Manage Contact Extended Fields: SCOPE.DC-CONTACTS.MANAGE-EX-FIELDS

## Introduction

Deletes an extended field.

When an extended field is deleted,
any contact data stored in the field is also permanently deleted.

---

## REST API

### Schema

```
 Method: deleteExtendedField
 Description: Deletes an extended field.  When an extended field is deleted, any contact data stored in the field is also permanently deleted.
 URL: https://www.wixapis.com/contacts/v4/extended-fields/{key}
 Method: DELETE
 # Note: If the parameter `a.b` is listed under required parameters, `b` is only required if `a` is also present.
 Required parameters:  key
 Method parameters: 
   param name: key | type:   none | required: true
 Return type: DeleteExtendedFieldResponse
  EMPTY-OBJECT {}


```

### Examples

### Delete Extended Field
```curl
curl -X DELETE 'https://www.wixapis.com/contacts/v4/extended-fields/custom.my-field' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: <AUTH>'
```

---

## JavaScript SDK

### Schema

```
 Method: wixClientAdmin.contacts.ContactExtendedFieldsServiceV4.deleteExtendedField(key)
 Description: Deletes an extended field.  When an extended field is deleted, any contact data stored in the field is also permanently deleted.
 # Note: If the parameter `a.b` is listed under required parameters, `b` is only required if `a` is also present.
 Required parameters:  key
 Method parameters: 
   param name: key | type: string | description: Extended field key. | required: true
 Return type: PROMISE<DeleteExtendedFieldResponse>
  EMPTY-OBJECT {}


```

### Examples

### Delete an extended field (with elevated permissions)
```javascript
import { extendedFields } from '@wix/crm';
import { auth } from '@wix/essentials';

/* Sample key value: 'custom.nickname' */

const elevatedDeleteExtendedField = auth.elevate(extendedFields.deleteExtendedField);

export async function myDeleteExtendedFieldFunction(key) {
  
  try {
    const extendedField = await elevatedDeleteExtendedField(key);    
    console.log('Extended field deleted.')
 
    return extendedField;  
  } catch (error) {
    console.log(error);
    // Handle the error
  }
}

/* Promise resolves to void */
```

### Delete an extended field
```javascript
import { extendedFields } from '@wix/crm';

/* Sample key value: 'custom.nickname' */

export async function myDeleteExtendedFieldFunction(key) {
  
  try {
    const extendedField = await extendedFields.deleteExtendedField(key);    
    console.log('Extended field deleted.')
 
    return extendedField;  
  } catch (error) {
    console.log(error);
    // Handle the error
  }
}

/* Promise resolves to void */
```

### deleteExtendedField (self-hosted)
Self-hosted SDK calls require you to [create a client](https://dev.wix.com/docs/sdk/articles/work-with-the-sdk/about-the-wix-client.md).

```javascript
import { createClient } from '@wix/sdk';
import { extendedFields } from '@wix/crm';
// Import the auth strategy for the relevant access type
// Import the relevant host module if needed

const myWixClient = createClient ({
  modules: { extendedFields },
  // Include the auth strategy and host as relevant
});


async function deleteExtendedField(key) {
  const response = await myWixClient.extendedFields.deleteExtendedField(key);
};
```

---