$onlyIf[condition;message]
Stops the command and sends the message when the condition is false.
Values
condition- A comparison like $getVar[coins]>=100 using == != > < >= <=, or true or false.
message- What to send when the command stops, or empty to stop quietly.
Example
$onlyIf[$getVar[coins]>=50;You need 50 coins for this.]Stops with You need 50 coins for this. when the user has less