Sample rules:
Scenario 1
Name: 5% Off Capped at RM10
Under the action follow the screenshot
Scenario 2 (with additional condition)
Name: 50% Off Voucher - Max Cap RM5
Additional Condition:
Subtotal: Equal or Greater than 0
Discount Amount (in %) : 50%
Max Amount of Discount: RM5
Discount Qty Step (Buy X): 1
Under the action follow the screenshot