added feature to send event parameters to api.ai nlp provider

lib/nlpProviders/apiai/index.js

@@ -41,24 +41,27 @@ module.exports = class extends BaseProcessor {
         this.logger.debug(`[eventRequest][api-ai-botkit] -> created new session...`);
       }
 
-      let requestOpts = {
+      let eventParam = {
         name: eventData.name,
       };
-
-      if (eventData.params) {
-        requestOpts.data = eventData.params;
-      }
-
-      let request = this.apiai.apiaiService.eventRequest(requestOpts,
-      {
+      let eventOpts = {
         sessionId: this.apiai.sessionIds[eventData.channel],
         originalRequest: {
           source: "api-ai-abbott"
         }
-      });
+      };
+
+      if (eventData.params) {
+        eventParam.data = eventData.params;
+      }
+
+      let request = this.apiai.apiaiService.eventRequest(eventParam, eventOpts);
 
       request.on('response', (response) => {
         this.logger.debug(`[eventRequest][apiaiService] -> receiving event request response for [${eventData.name}]...`);
+        if (eventData.params) {
+          response.eventParams = eventData.params;
+        }
         resolve(response);
       });