how to get node values using Xml Parser

log.info BM.children().find( {it.name() == "A"})?.text();

Even more elegant and precise one would be:

//Closure to show the BM node details
def showBM = { BM, index ->
  log.info "Detail of BM node ${index}"
  //Print of log - either one
  //BM.children().each { println "${it.name()} : $it" }
  BM.children().each { log.info "${it.name()} : $it" }
}

Of course, rest of the script is same.