Clickstream Event - Transaction
Event type: payment_instrument_group
When: This is emitted whenever a user clicks Pay button and initiates the transaction
pig_name
screen
section
po_selected
"nb"
"wallets"
"rewards"
"cash_on_delivery"
"card"
"stored_card"
"upi"
Example:- The above list covers the possible values for the key pig_name, Payment Instrument Group for which transaction has been initiated

