# fsVarsGetUnitId<no value>
The **fsVarsGetUnitId** function can be used to get the `FsUnitId` of a specific unit using its name.

 

##### Syntax

``` wasm
FsUnitId fsVarsGetUnitId(
    const char* unitName
);
```

 

##### Parameters

{{< table-wrapper >}}

| Parameters | Description           |
|------------|-----------------------|
| `unitName` | The name of the unit. |

{{< /table-wrapper >}}


 

##### Return Values

The function returns ID associated with the given unit name. If an error occurred, the function will return -1.

 

##### Example

``` wasm
FsUnitId unitId = fsVarsGetUnitId("DEGREES"); // valid
FsUnitId wrongUnitId = fsVarsGetUnitId("toto"); // returns -1
```