Job childJob = (Job) Hudson.getInstance().getItem(childName);
//Check only direct children in order to avoid deep checking for properties overridden properties.
if (null != childJob && StringUtils.equals(job.getName(), childJob.getCascadingProjectName())) {
CopyOnWriteListProjectProperty childProperty = getCopyOnWriteListProjectProperty(childJob, key);
//If child value is equal to parent - mark this value as unmodified.
if (!childProperty.allowOverrideValue(childProperty.getValue(), pdProperties)) {
childProperty.setOverridden(false);
} else if (!childProperty.isOverridden()) {
//If child property was not overridden, update this property and cascading children if any.
setParameterDefinitionProperties(childJob, key, parameterDefinitionProperties);
}