---
url: /flow/guide/scripting-reference/classes/license/license.userid.md
---

# License.UserId

## Declaration

`property UserId: string`

### Example

```pascal
procedure OnMapEvent(var Value:Variant);
begin
  Value := License.UserId; //the name of the file that is the source of the map
end;
```

## Description

Returns the unique User Id value encoded within the license. This indicates the user account id on Flow web site.