So, let's design a quick test. You need only a button and a label, formatted a bit, naturally, as so:
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In the Blocks Editor, we'll pull together the blocks below. You could use two buttons—one to store and one to retrieve—but this is more elegant.
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Here's what you need and how the previous blocks work:
1. The Button1.Click causes the TinyWebDB1.StoreValue button to contact the TinyWebDB test service online (the URL in the ServiceURL field in Design previously). It works just like TinyDB in that you have a unique name tag (chester_tester for my example; use your own) and a value to store, and that is what happens.
2. The second block in the button framework, TinyWebDB.GetValue, immediately read the value just stored back out (using the chester_tester tag to call it).
3. To have a way of reading the retrieved value, we drag out the TinyWebDB1.GotValue frame (from the TinyWebDB1 drawer). In it, we put our label text block (data_returned.Text) and grab the valueFromWebDB...