public void setConnectionArn(String connectionArn) {
        this.connectionArn = connectionArn;
    }
<p>
The Amazon Resource Name (ARN) of the App Runner connection that enables the App Runner service to connect to a
source repository. It's required for GitHub code repositories.
</p>

@param connectionArn
       The Amazon Resource Name (ARN) of the App Runner connection that enables the App Runner service to connect
       to a source repository. It's required for GitHub code repositories.
aws-java-sdk-apprunner/src/main/java/com/amazonaws/services/apprunner/model/AuthenticationConfiguration.java