Simplest Gradle Task

build.gradle.kts

tasks.create("runGalleto") {
    group = "Galleto Tasks"
    description = "Runs the galleto task"

    doLast {
        println("Hello, I'm Galleto build")
    }
}

CustomPluginWithTask.kt

open class CustomPluginWithTask : Plugin<Project> {
    override fun apply(project: Project) {
        project.tasks.create("myCustomTask") { task ->
            task.group = "My Group"
            task.description = "A simple task example"
            println("Hello, I'm your plugin")
        }
    }
}

Created to show my friend @sirgalleto how gradle can be a very simple tool if you want