MPL Custom Header Property

You can add additional metadata to your MPL log with this script. It will show up in Logs > Open Text View

Search With More Than One Identifiers

Normally you can only add single identifier to search with SAP_ApplicationID. This feature enables storing several identifiers at the same time like IDoc number, PO number, etc. and searching them.

It is not yet verified if this field is indexed or not. So be careful before implementing this for heavy usage. It should be fine for occasional searches.

SAP Community Blog for explaining the feature https://blogs.sap.com/2020/09/13/sap-cpi-a-guide-to-mpl-search/

You can use workspace API for search or you can install SuperEasy browser extension for CPI.

Script

Try it on

import com.sap.gateway.ip.core.customdev.util.Message;

def Message processData(Message message) {
    
	def messageLog = messageLogFactory.getMessageLog(message);
	if(messageLog != null){

		def po_number = message.getHeaders().get("po_number");		
		if(po_number!=null){
			messageLog.addCustomHeaderProperty("po_number", po_number);		
        }
	}
	return message;
}

Input Headers