Newbie in need of clarifications

According to the tutorial I would be able to capture all 4 messages however as seen in the screenshot I am only able to capture the first 3 and not the fourth one.

what tutorial? I’m guessing you actually mean this example in the docs?

https://nodered.org/docs/writing-functions#multiple-outputs

Read the sentence above the example and then check to see how many outputs you have configured for the function node.