Kotlin variables file used from TC DSL

I have been using Kotlin to script TC but find that I still see no real advantage as my configurations have repeated items (as TC has no way of sharing steps).  I was hoping Kotlin would help with this by having a Kotlin file which simply holds all my steps and then I can just reference from the configuration files, is that possible?

e.g.

powerShell {
    name = "Create website"
    platform = PowerShellStep.Platform.x64
    edition = PowerShellStep.Edition.Desktop
    formatStderrAsError = true
    scriptMode = script {
        content = // I want to access some shared variable here
}

Is the above possible?