In the Python version 2.7 API in Visual Components, blocking functions halt the execution of a script until a certain condition is met.
This video is also available from the Visual Components Academy:
https://academy.visualcomponents.com/...
Chapters:
00:00 Introduction
00:11 About blocking functions
01:31 Using trigger condition and servo movements
01:56 Checking Python script of the conveyor tracking base
03:04 Simplifying the Python code
07:09 Using the trigger condition
08:19 Using servo movements
Software Version: 4.9.0 or higher.
http://www.visualcomponents.com