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# Resource: Extended Fields

# Type: Extended Field Object

# Link: https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/extended-field-object.md

## Description: Extended field that was found or created.

## Schema:

```json
 Type: Extended Field Object | type: ExtendedField
 Description: Extended field that was found or created.
       - name: namespace  | type: string | description: Extended field namespace.  Extended fields created through by calling the Find Or Create Extended Field method are automatically assigned to the `custom` namespace.
           - name: value  | type: string | description: 
       - name: key  | type: string | description: Extended field key.  When accessing contact data, extended field data is available at `extendedFields[key]`. For example, if the key is "custom.notes", the value can be accessed at `extendedFields["custom.notes"]`.  `key` is generated when the extended field is created and can't be modified, even if `displayName` changes.
       - name: displayName  | type: string | description: Display name shown in the contact list.
       - name: dataType  | type: string | description: Type of data the field holds.
           enum: TEXT, NUMBER, DATE, URL
       - name: fieldType  | type: string | description: Indicates whether the extended field is a system field or custom field.
           enum: SYSTEM, USER_DEFINED
       - name: createdDate  | type: string | description: Date and time the field was created.
           - name: seconds  | type: string | description: 
           - name: nanos  | type: number | description: 
       - name: updatedDate  | type: string | description: Date and time the field was last updated.
       - name: description  | type: string | description: Field description, if the field is a system field.

```