Attaching and activating the PO application

Let's work through the steps to activate the Apptivo application in order for us to input the POs:

1. We will start by adding a new argument called in_Browser of type Browser in Process.xaml.
2. Within the ProcessTransaction sequence generated by the template, let's add a new sequence called Purchase Order Creation Sequence.
3. Within the Purchase Order Creation Sequence, add a Try Catch block for exception handling.
4. Within the Try block, add an Attach Browser activity and point to the Apptivo PO tab. Update its Browser property to the in_Browser argument. Delete the content in the Selector property, as we are now using the in_Browser argument. The value of this argument will be passed by the Main.xaml file, which will hold the already existing opened URL:

5. Let's create the variables that we will be using to store the PO details. So, add the variables strSupplier, strAddress, strCity, strState...