How to create block like this?

[FahadAhmad]

You should learn Java first as extensions are built in Java.
Learn how to create extensions from the following topics:

Looking for How to create extensions blocks

If you write a function, then it will be a purple block (method). Usage: @SimpleFunction(description = "Block description") public void BlockName(parameters) { /* Your code here. */ } Example: @SimpleFunction(description = "Join two text.") public String Join(String t1, String t2) { return t1 + t2; } And this is for the property, green block. Get: @SimpleProperty(category = PropertyCategory.BEHAVIOR, description = "Block description.") public St…

Learn how to create extensions

Hey everybody, A few days ago, I published two articles on how to develop extensions for Kodular (and, AI2). So, if you too want to get started with the extension development, these articles are definitely going to help you out: Configuring your computer to build App Inventor 2 extensions Writing your first App Inventor 2 and Kodular extension Go, check them out!