import org.gradle.api.problems.ProblemReporter;
import org.gradle.api.problems.Severity;

// tag::snippet[]
public class ProblemReportingPlugin implements Plugin<Project> {

    private final ProblemReporter problemReporter;

    @Inject
    public ProblemReportingPlugin(Problems problems) { // <1>
        this.problemReporter = problems.forNamespace("org.myorg"); // <2>
    }

plugins {
    id("java-gradle-plugin")
}

gradlePlugin {
    plugins {
        create("problemReportingPlugin") {
            id = "org.myorg.problem-reporting"
            implementationClass = "org.myorg.ProblemReportingPlugin"
        }
    }