Calling REST services from Business Objects in Visual Builder

How to invoke a REST endpoint from groovy in your Oracle Visual Builder application. Passing in parameters and getting results. Related blog - blogs.oracle.c...

[@StefanBrinza]

On Application Composer in Oracle Fusion we can develop complex groovy functions for custom objects (recomended 400lines of code but it works well even with more than 1k of lines)
called from scheduled process in Oracle Fusion, can we use here in business objects same aproach? To run complex code for long time? Or this is just for small updates, start some processes/requests?