Execute gradle task on sub projects

Question

I have a MultiModule gradle project that I am trying to configure.

Root
    projA
    projB
    other
        projC
        projD
        projE
        ...         


        

Answer 1

Example 5. Defining common behavior of all projects and subprojects,

allprojects {
    task hello {
        doLast { task ->
            println "I'm $task.project.name"
        }
    }
}
subprojects {
    hello {
        doLast {
            println "- I depend on water"
        }
    }
}

From the Gradle documentation, https://docs.gradle.org/current/userguide/multi_project_builds.html