# SubstitutionLevels: Twinfield Domain SubstitutionLevels
Lookup-table that translates code values of the domain 'SubstitutionLevels' into descriptions.
- Catalog: `Twinfield`
- Schema: `CodeValues`
- Label: Domain SubstitutionLevels
Example: The code value '0' means 'Only where the substitution type is group.'.
- Retrieve: True
## View Columns
The columns of the view `SubstitutionLevels` 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 |
|:---:|---|
| `0` | Only where the substitution type is group. |
| `1` | Balance accounts. |
| `2` | Customer, supplier and cost centre. |
| `3` | Project and asset. |
| `4` | Activity. |