First thing you need to do is to log in to your webmaster tools account (https://www.google.com/webmasters/tools/). 

To add a user > 

  • Choose a property in Search Console.
  • Click the gear icon , then select Users & Property Owners.
  • Click Add a new user.
  • Type the email address of the user you want to add and select the type of user. Set permissions to full.
  • Click Add.

The property will be added to the new user's Search Console account automatically.

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