---
url: /flow/guide/scripting-reference/functions/conversion/bintohex.md
---

# BinToHex

## Declaration

`Function BinToHex( Value : Variant) : string`

### Example

```pascal
procedure OnMapEvent(var Value:Variant);
begin
Value := BinToHex(BinaryField.Value);
end;
```

## Description

BinToHex converts a String representing a binary value into a String representing a hexadecimal value.

This is used when you need to read into Binary type fields within a database or file.