# SystemColumnTypes: Smartsheet Domain SystemColumnTypes
Lookup-table that translates code values of the domain 'SystemColumnTypes' into descriptions.
- Catalog: `Smartsheet`
- Schema: `CodeValues`
- Label: Domain SystemColumnTypes
Example: The code value 'AUTO_NUMBER' means 'Auto number'.
- Retrieve: True
## View Columns
The columns of the view `SystemColumnTypes` are shown below. Each column has an SQL data type.
| Name | Data Type | Label | Required | Documentation |
|---|:---:|---|:---:|---|
| `code` | `varchar2(240)` | Code | ☑ | Unique code within the domain. |
| `description` | `varchar2(4000)` | Description | ☐ | Meaning of the unique code within the domain. |
| `domain` | `varchar2(240)` | Domain | ☑ | Each domain defines a map of codes to values. |
| `resource_code` | `varchar2(240)` | Resource Code | ☐ | Resource code for internationalization. |
## Values
| Code | Description |
|:---:|---|
| `AUTO_NUMBER` | Auto number |
| `CREATED_BY` | Created by |
| `CREATED_DATE` | Created date |
| `MODIFIED_BY` | Modified by |
| `MODIFIED_DATE` | Modified date |