So I've created my Ifttt for the TP plug but as I don't have a clue with stringify I'm stuck with what to do next
So make sure to create and enable your Stringify flow with an IFTTT thing first. Once you've done that, then your flow name will appear in the IFTTT app in the dropdown list. If your IFTTT app has a Stringify trigger, then your Stringify app would need an IFTTT action. And if your IFTTT app has a Stringify action, then your Stringify app would need an IFTTT trigger.
But just now, I have a blank canvas and no direction
Here's a video on how to create a simple flow:
Let me know if you have any other questions.