In the dashboard, on the New Build Target: Basic Info window:

Select an Authentication Type from the dropdown.Enter the Username and Password for your Plastic SCM server.On the Grant us access to your source control window:.If your repository is public, Cloud Build automatically connects to it and you can skip to Setting up a target build platform. When Cloud Build connects to the hosting site, it automatically detects whether your repository is public or private. In the SCM Types drop-down menu, select Plastic SCM.Host:port (If you host your own Plastic server).In the SCM URL field, enter the URL of your Plastic server in either of the following formats: To connect to your repository, you must specify the URL to your Plastic server.In the Source Control window, click the Manual tab.In the Build History window, click Set up Cloud Build.In the dashboard Overview window, on the Cloud Build tile, click Open Cloud Build Dashboard.On the Projects page, select your project.Sign in to the Unity Developer Dashboard.To configure Cloud Build to build your project from a Plastic repository: Note: This feature requires a subscription to Unity Teams Advanced. More info See in Glossary supports projects stored in Plastic SCM repositories. Unity Cloud Build A continuous integration service for Unity projects that automates the process of creating builds on Unity’s servers.

Unity cloud build plastic