Need Help Separating Web String Data for Firebase Storage in App Inventor!

Here is how I have the blocks organized, I need to know how I can separate the data obtained from the web string in order to store them in a Firebase database. I am using an extension of the WebViewerExta so i can use local storage, and here is an example of how the stored data is displayed and the code im using
Captura de pantalla 2024-09-19 103626
carrito.txt (4.1 KB)

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