How to Upload Marker file in AR feature?

Follow below mentioned steps to Upload Marker file in AR :

If you have created an account with Developer Vuforia, login, else Register
Once you are in Vuforia dashboard, select Develop tab
Click on Target Manager tab
Click on Add Database button under Target Manager, it will open Create Database dialog box
Provide a name to your Database, select Device under Type field, then click on Create button
Now click on your Database name under Target Manager section
Click on Add Target button. It will open Ad Target dialog box
Select Single Image as in Ad type, browse the actual file (width should be 200), and provide a name to your image. Once done, click on Add button
Now click on Download Database button. It will open Download Database dialog box
Select Android Studio, Xcode or Visual Studio option, then click on Download button
Upload this file into Upload Marker field of AR file
Now select the actions that you want to perform once the AR object is scanned

Disclaimer: All Delete Your Account Apps users who intend to use the AR feature powered by Vuforia are requested to adhere by Terms of Use set by PTC Inc.(PTC), as mentioned on https://developer.vuforia.com/legal/vuforia-developer-agreement