During this step, we're going to add five states to the state graph, namely:
Right-click in the graph and select Add State... from the context menu.
Name the state "Idle".
Double-click the state to begin editing it.
Right-click in the graph area and search for "Idle" in the Context Menu.
Click on Play FPP_Idle to insert that node.
Connect the output execution pin of the Play FPP_Idle node to the Result input execution pin of the Final Animation Pose node.
Repeat steps 1-6 for each of the other 4 states, namely:
When you are done, the Arms State Machine graph should look like the following image:
Click on the image to zoom in.
Each state should contain their Play node connected to a respective Final Animation Pose node.
Drag a wire from the Entry node to the Idle state node.