Redwood - HR HelpDesk - Send Notification for 'New to InProgess' v/s 'Waiting to Inprogress'

Summary:

Hello,

I have created below trigger to send notification whenever Status is changed to InProgress. This is correctly sending notification whenever there's is change in Status.

try
{
def recipientPartyId = AssigneeResourceId
def messageText = "SR is in progress"
if (isAttributeChanged("StatusCd") && StatusCd == 'ORA_SVC_HRHD_INPROGRESS')
{
def map = new HashMap()
map.put("Channels",["ORA_SVC_BELL", "ORA_SVC_EMAIL"])
map.put("MessageText", messageText)
map.put("RecipientPartyId", recipientPartyId);
adf.util.sendNotification(adf, map)
}
}
catch (e)
{
throw new oracle.jbo.ValidationException('Failure: ' + e.getMessage())
}

However, I want to restrict the notification for the below 2 scenarios based on 'user who performs the action' or 'current status' :