The parameter allows the user (developer) to be able to parse transaction key from the source code without having to make a request.
This is useful in cases where the developer is trying to get the reference not because PayStack redirects the user after payment to the webhook/callback route but through other methods.
The parameter allows the user (developer) to be able to parse transaction key from the source code without having to make a request. This is useful in cases where the developer is trying to get the reference not because PayStack redirects the user after payment to the webhook/callback route but through other methods.