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(Quick Reference)



The logical if tag to switch on an expression and/or current environment.


<g:if test="${name == 'fred'}">
     Hello ${name}!

<g:if env="development">
     Dev mode - debug: $someDebug

<g:if env="production" test="${cacheEnabled}">



  • test - The expression to test

  • env - An environment name

At least one of the attributes must be supplied. If both are supplied they are combined using AND.