I can see here that it's got a file name Screen space Shot space and then more information.
I'm going to use Command Shift 4 to grab a section of the screen, it takes a screenshot and places it on the Desktop. We want it to happen only to screenshots. Now, we don't want this to happen to just any file that goes onto the Desktop. So anytime a file or folder is put on the Desktop this will run. So we'll choose as the folder the Desktop. So everytime a screenshot is taken it goes to the Desktop and we want it automatically moved to a folder. But say we don't want it to appear on the Desktop. When you take a screenshot it appears on the Desktop. So as an example, let's pick a folder that something gets thrown into like the Desktop. You can see here, Folder Actions receives files and folders added to a folder that you choose. So when you go to create a new script in Automator you can see Folder Actions right here and select it.
Video Transcript: Folder Actions are a special type of Automator script that you can create that acts on new files put into a folder. Check out Automatically Moving Files With Folder Actions at YouTube for closed captioning and more options.