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Tech Tip: OPEN WEB URL Command
PRODUCT: 4D | VERSION: | PLATFORM:
Published On: July 9, 1999
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OPEN WEB URL (url {; *})

This new command in 4D v6.5 launches your default Web browser and opens it with the URL passed in the url parameter. If your Web browser was already open when you executed this command:


  • On Windows, an additional instance of the browser is executed and displays the page specified by url.
  • On Mac OS, the page specified by url replaces the current page in the browser.

If there is no default browser on the volumes connected to the computer,
this command has no effect.

4D automatically encodes the URLs special characters. If you pass the
optional * character, 4D will not translate the URLs special characters.

The following line of code will connect you to 4D home page:

OPEN WEB URL ("https://www.4D.com")

You can pass strings, variables or field values to the command.