Pre heat oven 350
13X9 pan, no need to grease.( Line pan with parchment will for easier removal.)
Combine crumbs, sugar and melted butter. Press into pan.
Bake for 15 minutes.
Combine coconut and Sweetened condensed milk.
Spread coconut mixture over baked base.
Bake an additional 15 minutes.
Spread melted chocolate over top of baked coconut top.