* Now drag an `inject` node and a `debug` node to the flow.
* Now drag an `inject` node and a `debug` node to the flow.
* Connect the nodes by clicking and holding the little circle on the right ide of the blue `inject` node, and drop the virtual cable on the circle on the left ide of the green `debug` node.
* Connect the nodes by clicking and holding the little circle on the right ide of the blue `inject` node, and drop the virtual cable on the circle on the left ide of the green `debug` node.