There's a lot more we can do with the Playground; we're now going to interact with the business network dynamically!
Ensure that you've selected the LetterOfCredit asset type in the Test view. Notice the Submit Transaction button on the left-hand pane:
We're going to interact with the business network by submitting a new LetterOfCredit application. If you press Submit Transaction, you'll be presented with the following entry box:
In the Transaction Type dropdown, you'll see all the possible transactions ...
