---
url: /flow/guide/scripting-reference/functions/string/uppercase.md
---

# Uppercase

## Declaration

`function UpperCase(const S: string): string;`

### Example

```pascal
procedure OnMapEvent(var Value:Variant);
begin
  Value := Uppercase('flow123'); //returns 'FLOW123'
end;
```

## Description

Converts the given string into upper case characters.