import jenkins.model.Jenkins
import hudson.model.*

def is_triggered_by_scm_change(build) {
  for (action in build.actions){
    if (action instanceof CauseAction){
      if (action.getCauses().any { cause -> cause.getShortDescription().contains("Started by an SCM change") }){
        return true
      }
    }
  }
  return false
}

for(item in Hudson.instance.items) {
  if (is_triggered_by_scm_change(item.getLastBuild())){
    println(item.name)
  }
}