How to make this in Blocks Style

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#1

how to make this in blocks style pls

When Button1.Click
// Get existing data from Google Sheets
GoogleSheets1.GetColumn(“SheetName”, “ColumnLetter”, “StartCell”, “EndCell”)

// Check if entered data already exists
if list_contains(GoogleSheets1.ColumnValues, TextBox1.Text) then
Notifier1.ShowAlert(“Data Already Exists”, “The entered data already exists.”, “OK”, “”, “”)
else
// Add the data to the Google Sheet
GoogleSheets1.AppendRow(“SheetName”, list(TextBox1.Text))

   // Show success notifier
   Notifier1.ShowAlert("Data Added", "The data has been successfully added.", "OK", "", ""
#2

A very good way to learn App Inventor or Kodular is to read the free Inventor’s Manual here in the AI2 free online eBook App Inventor 2 Book: Create Your Own Android Apps … the links are at the bottom of the Web page. The book ‘teaches’ users how to program with AI2 blocks.
There is a free programming course here Course In A Box and the aia files for the projects in the book are here: App Inventor 2 Book: Create Your Own Android Apps
How to do a lot of basic things with App Inventor are described here: How do you...? .

Also do the tutorials Tutorials for MIT App Inventor to learn the basics of App Inventor, then try something and follow the Top 5 Tips: How to learn App Inventor

Taifun