Follow the steps below to add Cashfree Payment Gateway in your Shopify Store. ( Go to the documentation for details )
Step 1: Log in to your Shopify store.
Step 2: Add Cashfree as a payment gateway (Please check Test mode for testing)
Step 3: Paste provided AppId and SecretKey into the CashFree configuration inputs.
Step 4: Start making transactions!
Learn the integration in detail here in the documentation.
What are the features of the Shopify Payment Gateway? (Read here)