single use rule?

sheeposheepo Member Posts: 9
edited February 2012 in Working with GS (Mac)
Hello! The game I am working on has a shop in it which you access by using coins you collect in the game. I have it set up that buying and equipping characters are set up in 2 different rules. Everything is going well except that if you tap a character more than once it makes you pay for it again. I have a rule set up that if booleanA is true or coins are more than or equal to 3000 that it will change the coins attribute to coins -3000. Is there a way to make the rule perform once and then not be used again? Thanks!
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