- Open the branches view for the myWebApp Git repository in the parts unlimited team portal. Select the master branch, and from the pull-down context menu, choose Branch policies:

- In the policies view, check the option to protect this branch:

- This presents the out-of-the-box policies. Check this option to select a minimum number of reviewers. Set the minimum number of reviewers to 1 and check the option to reset the code reviewer's votes when there are new changes:
The Allow users to approve their own changes option allows ...