// Stringify the final json to send it
write(JSON.stringify((function(){
	/* Adjust the payload object below to match the structure you need */

	// This function return the JSON to send
	var generatePayload=function(record){
		var payload={	
			// Conversation ID as already received.
			"payload": {
				"conversationId":record.e_bp_cc_liveperson_conversation_id_txt
			},
			// Timestamp just needs to be provided - it doesn't have any purpose.
			"timestamp":"1621874976"
		};

		// Return the payload
		return payload;
	};

	/* Parsing and Helper functions - No need to change */

	/* Helper functions */

	// Function to return a date in a predefined format
	var returnDate=function(myDate){
		if(myDate){
			return formatDate(myDate, "yyyy-MM-dd'T'HH:mm:ss.SSSZ");
		}else{
			return null;
		}
	};

	/* Parsing function to construct request */

	// Get fields for the record to be sent
	var entities=data.changedEntities;
	// Set entity for readability
	var entity = entities[0]; 

	// Store the payload in a temporary object to screen null values 
	var tempRecordJson=generatePayload(entity);

	// Define and clear out the final json body to be sent
	var body={};

	// For each "element" in the temporary json...
	for(var key in tempRecordJson){
		// ... if the "element" is not null then add it to the final json
		if(tempRecordJson[key]!==null){body[key]=tempRecordJson[key];}
	}
	return body;
})()));

/* 
	Create a JSON object that can be read by the importer to update the existing
	survey record.
*/
write(JSON.stringify(function () {
	// Helper function to parse and format the chat transcript
	var getChatTranscript = function(messagesList) {
		// Filter out messages that don't pertain to the actual conversation (i.e. the survey)
		messagesList = messagesList.filter(function(message) {
    		return message.dialogId == conversationId;
    	});
		var outputList = [];
		for (i = 0; i < messagesList.length; i++) {
		  var message = messagesList[i];
		  var messageSender = message.sentBy.toUpperCase();
		  messageSender = messageSender == "CONSUMER" ? "CUSTOMER" : "AGENT";  
		  var messageText = message.messageData.msg ? message.messageData.msg.text : null;
		  if (messageText != null){
			messageText = messageText.replace(/\n|\r/g,' ');
		    outputList.push(messageSender + ": " + messageText);	  
		  }
		  
		}
		return outputList.join('\n');
	};
	
	// Convert the request sent into a JavaScript object
	var req = {
		"data"				:	data.changedEntities[0] /* Gather the fields from the exported survey record(s) */
	};
	
	// Convert the response received into a JavaScript object
	var res = {
		"status" 			:	JSON.parse(http.getResponseStatusCode()),
		"body"				:	JSON.parse(http.getResponseBodyUtf8())
	};
	
	/* In case of SUCCESS */
	if( res.status == "200" || res.status == "201" || res.status == "202" || res.status == "204") {		
		
		var recordsToProcess = [];
		var record = res.body.conversationHistoryRecords[0];
		var conversationId = req.data.e_liveperson_conversation_id_txt;
		
		/* Parse function to prevent missing fields from breaking the code. It takes one parameter:
			- field : label of the field to parse
		*/
		record.parse = function(section,field){
			if (section == "consumerParticipants") {
				return this[section][0][field] ? this[section][0][field] : null;
			}
			else 
				return this[section][field] ? this[section][field] : null;
			
		};
		
		var parsedRecord = {
				"medalliaId":				req.data.a_surveyid,
				"consumerId":				record.parse("consumerParticipants","participantId"),
				"firstName":				record.parse("consumerParticipants","firstName"),
				"lastName":					record.parse("consumerParticipants","lastName"),
				"latestAgentNickname":		record.parse("info","latestAgentNickname"),
				"email":					record.parse("info","email"),
				"phone":					record.parse("info","phone"),
				"country":					record.parse("info","country"),
				"timeZone":					record.parse("info","timeZone"),
				"brandId":					record.parse("info","brandId"),
				"conversationId":			record.parse("info","conversationId"),
				"startTime":				record.parse("info","startTime"),
				"endTime":					record.parse("info","endTime"),
				"duration":					record.parse("info","duration"),
				"closeReason":				record.parse("info","closeReason"),
				"source":					record.parse("info","source"),
				"device":					record.parse("info","device"),
				"latestSkillId":			record.parse("info","latestSkillId"),
				"latestSkillName":			record.parse("info","latestSkillName"),
				"latestAgentFullName":		record.parse("info","latestAgentFullName"),
				"latestAgentId":			record.parse("info","latestAgentId"),
				"latestAgentLoginName":		record.parse("info","latestAgentLoginName"),
				"language":					record.parse("info","language"),
				"agentGroupId":				record.parse("info","agentGroupId"),
				"agentGroupName":			record.parse("info","agentGroupName"),
				"chatTranscript":			getChatTranscript(record.messageRecords)
		};
		recordsToProcess.push(parsedRecord);
			
		return recordsToProcess;
		
	/* In case of FAILURE */	
	}else{
		
		return {
			"medalliaId"		:	req.data.a_surveyid, /* This exporter processes only one record at a time, so just look at first record in the record set */
			"success" 			:	"false"
		}; 
		
	}
	
}()));