Get a workspace's custom fields

{
    "data": [
        {
            "gid": "12345",
            "resource_type": "task",
            "display_value": "blue",
            "enabled": true,
            "enum_options": [
                {
                    "gid": "12345",
                    "resource_type": "task",
                    "color": "blue",
                    "enabled": true,
                    "name": "Low"
                }
            ],
            "name": "Status",
            "number_value": 5.2,
            "resource_subtype": "text",
            "text_value": "Some Value",
            "type": "text",
            "currency_code": "EUR",
            "custom_label": "gold pieces",
            "custom_label_position": "suffix",
            "description": "Development team priority",
            "format": "custom",
            "has_notifications_enabled": true,
            "is_global_to_workspace": true,
            "precision": 2,
            "created_by": {
                "gid": "12345",
                "resource_type": "task",
                "name": "Greg Sanchez"
            },
            "enum_value": {
                "gid": "12345",
                "resource_type": "task",
                "color": "blue",
                "enabled": true,
                "name": "Low"
            },
            "multi_enum_values": [
                {
                    "gid": "12345",
                    "resource_type": "task",
                    "color": "blue",
                    "enabled": true,
                    "name": "Low"
                }
            ]
        }
    ]
}