Return

Same as the Main block, function flows from the Entry node to the next, one node after another, until there are no more node connected. We can also interrupt the execution at any point and return to the caller by using the Return node.

Add Return Node

Right click on the canvas of the current editing function and select Development, then Return:

Connect the Return node

At the point we want to return, connect the Return node:

Return with Data

We can also return data from the function. First we will add Output at the bottom-right of the right panel, with some Input Parameter, let's implememnt a simple add function:

Then in Main, we can call our Add function with two numbers, then print the result:

Function Caller

Besides Main block, functions can be called from other functions. Or it can be called from itself, making it a Recursive Function.