A function can return a value which is the result of a function call. When a function is initially created, it contains a connector for the returned value:
Some functions may not return any value. To remove the "return value" connector:
- Click the "gear" icon next to the word "Function".
- In the popup which appears, click the checkbox next to "with return".
- The return value connector is removed:
When a function is configured not to return a value, the block representing the function (on the side of the logic which calls the function) will have the following appearance (with the function name and arguments as configured):