Represents field defaults for bundle fields.
This table describes attributes of the
To receive an attribute in the response from server, specify it explicitly in the request parameter
To update an attribute, provide it in the body of a POST request.
Indicates whether this field can have empty value in the issue.
The text that is shown as a placeholder when the field is empty.
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.
Reference to the custom field.