Task: Schloss Filseck restaurant is amazing, and one of my friends asked me about this type of amazing restaurant. So I want to refer this restaurant to my friend, so share the restaurant link with dbwscratch.test.id4@gmail.com via the gmail app.
Steps:
Click on the share icon at the top right corner of the screen to share this restaurant with my friend
Click on the Gmail app icon 
Type dbwscratch.test.id4@gmail.com in the recipient section to send this restaurant with my friend 
Click on the send button at the top right corner of the screen to refer this restaurant to my friend