---
title: "ConvertToBoolean"
slug: "converttoboolean"
updated: 2024-05-04T19:20:46Z
published: 2024-05-04T19:20:46Z
canonical: "help.mail-and-deploy.com/converttoboolean"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.mail-and-deploy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ConvertToBoolean

### General

The *ConvertToBoolean* function can be used to convert a value to a [Boolean](/release34/docs/boolean) (true/false).

          NOTE

          

If the value cannot be converted to a boolean (e.g. when trying to convert the String "This is a text" to a boolean), the execution of the report document preview or task will fail.

### Syntax

The syntax of the *ConvertToBoolean* function is:

          ConvertToBoolean Function Syntax

          

ConvertToBoolean(<value>)

### Examples

The following [Expression](/release34/docs/introduction-to-mail-and-deploy-expressions) returns the value of the variable vTest of Datasource MyDatasource as a boolean:

          ConvertToBoolean Function Example

          

ConvertToBoolean([Datasource].[MyDatasources].[Variable].[vTest])

If the variable contains the value 0 then the returned value will be false.