During this step, we're going to put together a state machine that will take advantage of our newly made variables.
Double-click on AnimGraph in the My Blueprint tab to open it.
Right-click the graph and select State Machines > Add New State Machine... in the Context Menu.
Right-click on New State Machine in the My Blueprint tab and name it "Arms State Machine".
Connect the ouput execution pin on the "Arms State Machine" node to the Result input execution pin on the Final Animation Pose node.
Double-click the "Arms State Machine" node to open its graph for editing.