//step 1: call this to check if reward ad available
LaggedAPI.GEvents.reward(canShowReward,rewardSuccess);
//this will be called if a reward ad can be shown or not
var canShowReward=function(success,showAdFn){
if(success){
//you can show user a button for a reward, must call showAdFn() on click
//ex: rewardButton.onclick=function(){showAdFn();}
}else{
//no ad to show, do nothing
}
}
//after ad is played (after showAdFn() is called)
var rewardSuccess=function(success){
if(success){
//give user the reward
}else{
//no reward
}
//remove reward button
//ex: rewardButton.remove();
}