Material Parameters Problem Unreal Engine 4.5

Hi guys im having a problem with the material editor in unreal engine 4.5. I dont seem to have the options to make roughness, specular, metallic, opacity etc. and connect nodes like in unreal engine 4.4. I have a screen shot of the problem attached.

All you need to do is press the Connectors button up at the top. :slight_smile:

thanks alot man that has helped me heaps !