After adding a project, you may want to enable Bitbucket integration, to comment on commits and create issues.
To do so, navigate to your Project Settings, and select the tab Integrations. The integration is a one-click installation. After installing it in a project, a user with project access in Bitbucket will have to enable it. This user account will be the Bitbucket user that Codacy will use to comment and create issues on Bitbucket:
Be aware that when clicking "Enable", you will be required to move back and forth between Codacy and Bitbucket if additional permissions are required.
After enabling the Bitbucket integration, you will have additional options when browsing the existing issues on the project: