---
schema: rendered-html/v1
title: "BundleCustomFieldDefaults | Developer Portal for YouTrack and Hub Documentation"
source_url: https://www.jetbrains.com/help/youtrack/devportal/api-entity-BundleCustomFieldDefaults.html
generated_at: 2026-06-11T14:46:29.008154+00:00
---

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1. YouTrack REST API
2. REST API Reference
3. Entities
4. CustomFieldDefaults
5. [BundleCustomFieldDefaults](#0)

# BundleCustomFieldDefaults﻿

Last modified: 19 March 2025

Represents custom field default settings for enumerated fields.

Extends CustomFieldDefaults

Extended by:

- [BuildBundleCustomFieldDefaults](jetbrains__com__help__youtrack__devportal__api-entity-buildbundlecustomfielddefaults.md)
- StateBundleCustomFieldDefaults
- VersionBundleCustomFieldDefaults
- EnumBundleCustomFieldDefaults
- OwnedBundleCustomFieldDefaults

## Attributes﻿

This table describes attributes of the `BundleCustomFieldDefaults` entity.

- To receive an attribute in the response from the server, specify it explicitly in the `fields` request parameter.
- To update an attribute, provide it in the body of a POST request.

| Field | Type | Description |
| --- | --- | --- |
| id | String | The ID of the default field settings for enumerated fields. `Read-only`. |
| canBeEmpty | Boolean | Indicates whether this field can have empty value in the issue. |
| emptyFieldText | String | The text that is shown as a placeholder when the field is empty. `Can be null`. |
| isPublic | Boolean | If `true`, then a user needs Read Issue and Update Issue permissions to access this field. Otherwise, the field is considered private, and Read Issue Private Fields and Update Issue Private Fields permissions are required. |
| parent | CustomField | Reference to the custom field. `Read-only`. |

- [BundleCustomFieldDefaults](/help/youtrack/devportal/api-entity-BundleCustomFieldDefaults.html)
- [Attributes](/help/youtrack/devportal/api-entity-BundleCustomFieldDefaults.html#-nu7s79_5)

CustomFieldDefaults[BuildBundleCustomFieldDefaults](jetbrains__com__help__youtrack__devportal__api-entity-buildbundlecustomfielddefaults.md)

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