---
schema_version: "1"
id: 203434a837862f1a34627693f84e736e3eea43299c03a7581be804fbde50c46a
title: CustomFieldMember
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/api_tooling/tooling_api_objects_customfieldmember.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.api_tooling.meta/api_tooling/tooling_api_objects_customfieldmember.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: 2086d2a9bf1287c216e8a43fb4fc9e426f8e7fb2265b2379ef4f878716c54f69
description: Represents the working copy of a field for editing or saving in a MetadataContainer. This object is available in API version 33.0 and later.
---
# CustomFieldMember

Represents the working copy of a field for editing or saving in a MetadataContainer. This object is available in API version 33.0 and later.

## Supported SOAP API Calls

create(), delete(), describeSObjects(), query(), retrieve(), update(), upsert()

## Supported REST API HTTP Methods

Query, GET, POST, PATCH, DELETE

## Special Access Rules

To access CustomFieldMember, you must have both the View All Data and Customize Application user permissions.

## Fields

| Field Name | Details |
| --- | --- |
| Content | 
Type

string

Properties

None

Description

A string representation of CustomField that contains the field’s metadata.



 |
| ContentEntityId | 

Type

ID

Properties

Create, Filter, Group, Sort

Description

A reference to a custom field.

There can be only one ContentEntityId per CustomField, otherwise, an error is reported.





 |
| FullName | 

Type

string

Properties

Group, Nillable

Description

The full name of the associated object in the Metadata API. Use to avoid race conditions on create, before you have IDs.

Query this field only if the query result contains no more than one record. Otherwise, an error is returned. If more than one record exists, use multiple queries to retrieve the records. This limit protects performance.



 |
| IsDeleted | 

Type

boolean

Properties

Group, Nillable

Description

Indicates whether the object is marked as deleted (true) or not (false).



 |
| LastSyncDate | 

Type

dateTime

Properties

Filter, Sort

Description

The date that this CustomField was replicated from the underlying entity.



 |
| Metadata | 

Type

CustomField

Properties

None

Description

An object that describes the version, status, and packaged versions of the corresponding CustomField.

Query this field only if the query result contains no more than one record. Otherwise, an error is returned. If more than one record exists, use multiple queries to retrieve the records. This limit protects performance.



 |