When everyone approves your changes, you will need to merge the code to the master branch so that the changes will be available to the other members of the team. When you are ready, open the Pull Request page which will show you a button to merge the pull request. Click on the Merge pull request button, as shown in the following screenshot:

During the merge, you can provide a comment to it to easily identify the changes. Generally, it auto-populates the same from the title of the pull request:

When you merge your changes to the master branch, you can delete your existing feature branch from the repository. As shown in the preceding screenshot, click on the Delete branch button to safely delete the said feature branch.