Welcome aboard! A google search for “fritzing part RCWL-0516” indicates a part is available at:
http://download.omnigatherum.ca/RCWL-0516_Microwave_Radar_Motion_Sensor_Module.fzpz
There you need to right click and select “save link as” to download the fzpz file. Once downloaded, open Fritzing and select File->open, navigate to the RCWL-0516_Microwave_Radar_Motion_Sensor_Module.fzpz file and click OK. That will load the part in to the mine parts bin ready for use.
Peter