An Execution Output block is used to provide output from a Sub-flow. The Execution Output block shows the following properties:
The green input connector in the header is used to define the output execution. So it is to be connected from the last block of the sub-flow which can pass output. Wherever in test the sub-flow will be used, the execution output will be available with the help of this block.
The title of the block “Execution Output” can be changed by double-clicking on it and typing in a new title.
Updated January 12th 2018.