Skip to main content

4D Documentation

20 R10 BETA
20 R9
20
19
18

English
Français
Español
日本語
Português

4D Documentation

Getting Started
Core Development
4D Language
Administration
Extensions
Web Applications
Desktop Applications
Mobile Applications

4D Language
Commands
Boolean

Version: 20 R10 BETA

Boolean


Bool ( expression ) : Boolean
False : Boolean
Not ( boolean ) : Boolean
True : Boolean

Comment on this page

VARIABLE TO BLOB

Community

4D Blog
4D Forum
Facebook
X
Youtube
Github

Support

Documentation download
4D Doc Center (Where It All Began)
Knowledgebase
Downloads
Resources
Get Support

Company

About 4D
Contact us
4D around the world
Careers

© 2025 4D SAS - All rights reserved