Cannot reward user by admob rewared video add

Questions about Thunkable
1

Hello , Please view the photos. first one i have initialize reward level to 50. and if user press watch videos they will get extra 10 points. I cannot set it up.rewad block reward initialize

thanks
Farhad

2

In the RewardUser block, is not “set app app Reward to …” that you should use, you need to either use

set app Reward to app Reward + 10

OR

change app Reward by 10