Overrides for the project's secondary sources specified as a JSON array. For example:

[
    {
        "type": "GITHUB",
        "location": "https://github.com/awslabs/aws-codebuild-jenkins-plugin",
        "sourceIdentifier": "source1",
        "gitCloneDepth": "1"
        "buildspec": "buildspec.yml",
        "reportBuildStatus": "true",
        "insecureSsl": "true",
        "auth": {
            "type": "OAUTH",
            "resource": "resource"
        }
    },
    {
        "type": "GITHUB",
        "location": "https://github.com/awslabs/aws-codedeploy-plugin",
        "sourceIdentifier": "source2"
    }
]