This method can be used in UDF to write the parameter to GlobalContainer instance

setGlobalParameter.java

public String setGlobalParameter(String Parameter, String ParameterValue, Container container) throws StreamTransformationException{
  try{
    GlobalContainer gc = container.getGlobalContainer();
    gc.setParameter(Parameter, ParameterValue);
  }catch(Exception ee){
  }
  return ParameterValue;
}