To get accustomed to the event contents from Chargebee UI and to decide if the customer is owed credits, you will need to follow the steps:

• Navigate to the Subscription. 
• Select the Subscription that needs to be verified
• Scroll down to the History section where you will find the Events tab.   
• From here, open the line item for “Subscription activated” 
• Select “Show V2 Content”
  1. From here, you can use the following fields to identify if this subscription should have the credits applied:
     • Coupon – The coupon field will be visible and would reflect the coupon you applied for this Plan.
     • Invoice – Refer to the “status”. 
• Refer to this video.