ServiceNow MuleSoft Integration Guide

<serviceNow:config name="ServiceNow_Config" doc:name="ServiceNow Config">
  <serviceNow:basic-connection username="${servicenow.username}" password="${servicenow.password}" serviceEndpoint="https://your-instance.service-now.com" />
</serviceNow:config>

<flow name="sync-incident-flow">
  <http:listener config-ref="HTTP_Listener_config" path="/incidents" />
  <serviceNow:invoke config-ref="ServiceNow_Config" operation="insert" table="incident" />
</flow>

var rm = new RESTMessage('MuleSoft Integration', 'POST Incident');
rm.setStringParameterNoEscape('incident_data', JSON.stringify({
  'number': current.number.toString(),
  'short_description': current.short_description.toString(),
  'state': current.state.getDisplayValue(),
  'priority': current.priority.getDisplayValue()
}));
rm.setRequestHeader('Content-Type', 'application/json');
var response = rm.execute();
var responseBody = response.getBody();
var httpStatus = response.getStatusCode();

(function executeRule(current, previous) {
  try {
    var rm = new RESTMessage('MuleSoft Integration', 'POST Incident');
    var incidentPayload = {
      sys_id: current.sys_id.toString(),
      number: current.number.toString(),
      state: current.state.toString(),
      priority: current.priority.toString(),
      assigned_to: current.assigned_to.getDisplayValue()
    };
    rm.setStringParameterNoEscape('incident_data', JSON.stringify(incidentPayload));
    var response = rm.execute();
    
    if (response.getStatusCode() != 200) {
      gs.error('MuleSoft API call failed: ' + response.getErrorMessage());
    }
  } catch (ex) {
    gs.error('Exception in MuleSoft integration: ' + ex.getMessage());
  }
})(current, previous);

(function process(request, response) {
  var requestBody = request.body.data;
  var payload = JSON.parse(requestBody);
  
  var gr = new GlideRecord('incident');
  if (gr.get(payload.sys_id)) {
    gr.setValue('work_notes', 'Updated from MuleSoft: ' + payload.external_notes);
    gr.setValue('u_external_ref', payload.external_reference);
    gr.update();
    
    response.setStatus(200);
    response.setBody({status: 'success', sys_id: gr.getUniqueValue()});
  } else {
    response.setStatus(404);
    response.setBody({error: 'Incident not found'});
  }
})(request, response);

var ciGr = new GlideRecord('cmdb_ci_server');
if (ciGr.get('name', payload.hostname)) {
  ciGr.setValue('cpu_count', payload.cpu_cores);
  ciGr.setValue('ram', payload.memory_gb * 1024);
  ciGr.setValue('os', payload.operating_system);
  ciGr.setValue('discovery_source', 'MuleSoft Integration');
  ciGr.setValue('last_discovered', new GlideDateTime());
  ciGr.update();
} else {
  ciGr.initialize();
  ciGr.setValue('name', payload.hostname);
  ciGr.setValue('ip_address', payload.primary_ip);
  ciGr.setValue('install_status', '1'); // Installed
  ciGr.insert();
}

// Error handling in Business Rule
try {
  var response = rm.execute();
  if (response.getStatusCode() >= 400) {
    gs.eventQueue('mulesoft.api.error', current, 
      response.getStatusCode(), response.getErrorMessage());
  }
} catch (ex) {
  var event = new GlideRecord('sysevent');
  event.initialize();
  event.setValue('event_name', 'mulesoft.integration.exception');
  event.setValue('source', 'Incident Business Rule');
  event.setValue('description', ex.getMessage());
  event.setValue('additional_info', current.getUniqueValue());
  event.insert();
}