diff --git a/.gitignore b/.gitignore
index 12557da8..1b2b9fc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+dist/
 node_modules/
 package-lock.json
 lerna-debug.log
diff --git a/ask-sdk-core/tsconfig.json b/ask-sdk-core/tsconfig.json
index 2b6f0aab..2da99820 100644
--- a/ask-sdk-core/tsconfig.json
+++ b/ask-sdk-core/tsconfig.json
@@ -6,11 +6,12 @@
     "rootDir": "lib",
     "outDir" : "dist",
     "sourceMap" : true,
-    "inlineSources" : false,
     "alwaysStrict" : true,
-    "removeComments" : false,
     "declaration" : true,
-    "lib": ["es2017", "dom"]
+    "lib": [
+      "es2017",
+      "dom"
+    ]
   },
   "include": ["lib"]
 }
diff --git a/ask-sdk-dynamodb-persistence-adapter/tsconfig.json b/ask-sdk-dynamodb-persistence-adapter/tsconfig.json
index 2b6f0aab..2da99820 100644
--- a/ask-sdk-dynamodb-persistence-adapter/tsconfig.json
+++ b/ask-sdk-dynamodb-persistence-adapter/tsconfig.json
@@ -6,11 +6,12 @@
     "rootDir": "lib",
     "outDir" : "dist",
     "sourceMap" : true,
-    "inlineSources" : false,
     "alwaysStrict" : true,
-    "removeComments" : false,
     "declaration" : true,
-    "lib": ["es2017", "dom"]
+    "lib": [
+      "es2017",
+      "dom"
+    ]
   },
   "include": ["lib"]
 }
diff --git a/ask-sdk-v1adapter/lib/adapter.ts b/ask-sdk-v1adapter/lib/adapter.ts
index b6e0d4ea..f5c84b8c 100644
--- a/ask-sdk-v1adapter/lib/adapter.ts
+++ b/ask-sdk-v1adapter/lib/adapter.ts
@@ -19,7 +19,11 @@ import {
     RequestHandler,
     SkillBuilders,
 } from 'ask-sdk';
-import { RequestEnvelope, Response, ResponseEnvelope } from 'ask-sdk-model';
+import {
+    RequestEnvelope,
+    Response,
+    ResponseEnvelope,
+} from 'ask-sdk-model';
 import { DynamoDB } from 'aws-sdk';
 import { EventEmitter } from 'events';
 import * as i18n from 'i18next';
@@ -50,6 +54,18 @@ export class Adapter extends EventEmitter {
 
     constructor(event : RequestEnvelope, context : any, callback? : (err : Error, result? : any) => void) {
         super();
+        if (!event.session) {
+            event.session = {
+                new : undefined,
+                sessionId : undefined,
+                user : undefined,
+                application : undefined,
+                attributes : {},
+            };
+        } else if (!event.session.attributes) {
+            event.session.attributes = {};
+        }
+
         this._event = event;
         this._context = context;
         this._callback = callback;
@@ -149,7 +165,7 @@ function ValidateRequest() : void {
             }
         }
 
-        if (this.dynamoDBTableName && (!this._event.session || this._event.session.new)) {
+        if (this.dynamoDBTableName && (!this._event.session.sessionId || this._event.session.new)) {
             if (!dynamoDbPersistenceAdapter) {
                 dynamoDbPersistenceAdapter = new DynamoDbPersistenceAdapter({
                     createTable : true,
diff --git a/ask-sdk-v1adapter/lib/responseHandlers.ts b/ask-sdk-v1adapter/lib/responseHandlers.ts
index db5cd694..c53da9f4 100644
--- a/ask-sdk-v1adapter/lib/responseHandlers.ts
+++ b/ask-sdk-v1adapter/lib/responseHandlers.ts
@@ -15,7 +15,6 @@
 
 import { DynamoDbPersistenceAdapter } from 'ask-sdk';
 import { Intent } from 'ask-sdk-model';
-import { DynamoDB } from 'aws-sdk';
 import { V1Handler } from './v1Handler';
 
 let dynamoDbPersistenceAdapter : DynamoDbPersistenceAdapter;
@@ -198,10 +197,7 @@ export const ResponseHandlers : V1Handler = {
             if (!dynamoDbPersistenceAdapter) {
                 dynamoDbPersistenceAdapter = new DynamoDbPersistenceAdapter({
                     createTable : true,
-                    dynamoDBClient : this.handler.dynamoDBClient ? this.handler.dynamoDBClient : new DynamoDB({
-                        apiVersion: '2012-08-10',
-                        region: 'us-east-1',
-                    }),
+                    dynamoDBClient : this.handler.dynamoDBClient,
                     partitionKeyName : 'userId',
                     attributesName : 'mapAttr',
                     tableName : this.handler.dynamoDBTableName,
diff --git a/ask-sdk-v1adapter/tsconfig.json b/ask-sdk-v1adapter/tsconfig.json
index 2b6f0aab..2da99820 100644
--- a/ask-sdk-v1adapter/tsconfig.json
+++ b/ask-sdk-v1adapter/tsconfig.json
@@ -6,11 +6,12 @@
     "rootDir": "lib",
     "outDir" : "dist",
     "sourceMap" : true,
-    "inlineSources" : false,
     "alwaysStrict" : true,
-    "removeComments" : false,
     "declaration" : true,
-    "lib": ["es2017", "dom"]
+    "lib": [
+      "es2017",
+      "dom"
+    ]
   },
   "include": ["lib"]
 }
diff --git a/ask-sdk-v1adapter/tst/adapter.spec.ts b/ask-sdk-v1adapter/tst/adapter.spec.ts
index bf037fa2..23cfe082 100644
--- a/ask-sdk-v1adapter/tst/adapter.spec.ts
+++ b/ask-sdk-v1adapter/tst/adapter.spec.ts
@@ -13,11 +13,11 @@
 
 'use strict';
 
-import { RequestEnvelope, ResponseEnvelope, ui } from 'ask-sdk-model';
+import { ResponseEnvelope } from 'ask-sdk-model';
 import { expect } from 'chai';
 import * as sinon from 'sinon';
 import { Adapter } from '../lib/adapter';
-import { LaunchRequest, RecipeIntentRequest } from './mock/mockSampleRequest';
+import { LaunchRequest, PlaybackControllerRequest } from './mock/mockSampleRequest';
 import { mockV2Requesthandler } from './mock/mockV2RequestHandler';
 
 const mockContext = {
@@ -30,13 +30,25 @@ const mockContext = {
 };
 /* tslint:disable */
 describe('Adapter', () => {
-    it('should pass lambda inputs to adapter by handler function', () => {
+    it('should pass lambda inputs /to adapter by handler function', () => {
         const adapter = new Adapter(LaunchRequest, mockContext);
 
         expect(adapter._event).to.deep.equal(LaunchRequest);
         expect(adapter._context).to.deep.equal(mockContext);
     });
 
+    it('should add missing session object', () => {
+        const adapter = new Adapter(PlaybackControllerRequest, mockContext);
+
+        expect(adapter._event.session).to.deep.equal({
+            application: undefined,
+            attributes: {},
+            new: undefined,
+            sessionId: undefined,
+            user: undefined,
+        })
+    });
+
     it('should be able to add V2 style request handlers', () => {
         const adapter = new Adapter(LaunchRequest, mockContext);
 
diff --git a/ask-sdk/tsconfig.json b/ask-sdk/tsconfig.json
index 2b6f0aab..2da99820 100644
--- a/ask-sdk/tsconfig.json
+++ b/ask-sdk/tsconfig.json
@@ -6,11 +6,12 @@
     "rootDir": "lib",
     "outDir" : "dist",
     "sourceMap" : true,
-    "inlineSources" : false,
     "alwaysStrict" : true,
-    "removeComments" : false,
     "declaration" : true,
-    "lib": ["es2017", "dom"]
+    "lib": [
+      "es2017",
+      "dom"
+    ]
   },
   "include": ["lib"]
 }
diff --git a/package.json b/package.json
index 27676bdd..e6aca538 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,6 @@
 		"clean-all": "npm run clean-build && npm run clean-node_modules"
 	},
 	"devDependencies": {
-		"lerna": "^2.10.2"
+		"lerna": "^2.11.0"
 	}
 }
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 00000000..b7d4286e
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,24 @@
+{
+  "compilerOptions" : {
+    "target" : "es5",
+    "module" : "commonjs",
+    "moduleResolution": "node",
+    "outDir" : "dist",
+    "sourceMap" : true,
+    "alwaysStrict" : true,
+    "declaration" : true,
+    "lib": [
+      "es2017",
+      "dom"
+    ]
+  },
+  "include" : [
+    "ask-sdk/lib",
+    "ask-sdk-core/lib",
+    "ask-sdk-dynamodb-persistence-adapter/lib",
+    "ask-sdk-v1adapter/lib"
+  ],
+  "exclude" : [
+    "node_modules"
+  ]
+}