| Creator: 	PersonRules#person(Person)
+ tasks
      | Type:   	org.gradle.model.ModelMap<org.gradle.api.Task>
      | Creator: 	Project.<init>.tasks()
      | Rules:
         ⤷ PersonRules#createHelloTask(ModelMap<Task>, Person)
    + buildEnvironment
          | Type:   	org.gradle.api.tasks.diagnostics.BuildEnvironmentReportTask
          | Value:  	task ':buildEnvironment'

    p.firstName = "John"
  }
// end::plugin-mutate-rule[]

// tag::task-create-rule[]
  //Create a rule that modifies a ModelMap<Task> and takes as input a Person
  @Mutate void createHelloTask(ModelMap<Task> tasks, Person p) {
    tasks.create("hello") {
      doLast {
        println "Hello $p.firstName $p.lastName!"
      }
    }
  }
// end::task-create-rule[]
}

apply plugin: PersonRules