Represents default project-related settings of the custom field. They are applied when the custom field is attached to the project. After the field is attached to the project, changes in defaults won't affect field settings for this project.
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.