To use Pretty Grid display videos feed from Youtube, you need to enter you Youtube API Key.
Step 1: Create project
Step 2: Enable Youtube Data API V3
Once your project is created, you can see your project on Google Developer Console Dashboard, then you need to click the “Enable APIs and Services” Button, then you will go to the Google API Library, Select the “Youtube Data API V3” and Enable it.
Step 3: Create credentials
After Enable Youtube Data API V3, you need to create credentials for our plugin.
Step 4: Save Youtube API Key
Finally, We get our Youtube API Credentials, now you just need to copy this value on our plugin integration page of Youtube API popup.