Lutron Caseta Integration

Wiring Assistance: Will the PD-6WCL work with my wiring?

I currently have a generic LED dimmer switch connected. It was added off of an outlet.

My question is will the PD-6WCL work with these wires? It is my belief the green wire coming out of the switch and connected to a black wire is the common. Is there a port on the back of the PD-6WCL to plug in a common? If not, do I simply cap off the unused common in the wall?

Appreciate the feedback.

My existing dimmer switch and the wires they are connected to.

Below is a side view of the Lutron PD-6WCL switch with neutral.