Task: I'd want to send the field trip slide to Cerebra Research via Gmail at dbwscratch.test.id4@gmail.com using the Google Slides app.
Steps:
Click on the three dots more button
Click on the Share & export option
Click on the Copy link
Click on the share icon 
Click on the Gmail
Type dbwscratch.test.id4@gmail.com 
Click on the Cerebra Research email id
Click on the Send icon