$onlyIf

If x is related accordingly (based on the "sign") with y then the code runs. If not, the 'errorMessage' is returned.

Usage

$onlyIf[valuex(sign)valuey;errorMessage]

Signs

• == - Equal
• != - Not Equal
• < - Less Than
• >- Greater Than
• >= - Greater Than Or Equal To
• <= - Less Than Or Equal To