diff --git a/lib/aspose-tasks.js b/lib/aspose-tasks.js
index 0b63773..cc79e0f 100644
--- a/lib/aspose-tasks.js
+++ b/lib/aspose-tasks.js
@@ -136,6 +136,34 @@ AsposeTasks.prototype.getCalendars = function(fileName,callback){
     });
 };
 
+AsposeTasks.prototype.addCalendar = function(fileName,calendar,callback){
+
+    fileName = typeof fileName !== 'undefined' ? fileName : '';
+    calendar = typeof calendar !== 'undefined' ? calendar : '';
+
+    if(fileName === '' || calendar === ''){
+        throw new Error('missing required arguments.');
+    }
+
+    if(typeof calendar === 'object')
+    {
+        calendar = JSON.stringify(calendar);
+    }
+
+    var strURI = this.baseURI + 'tasks/' + fileName + '/calendars';
+    var signedURI = Utils.Sign(strURI,this.appSID,this.appKey);
+
+    Utils.ProcessCommand('POST',signedURI,calendar,function(data){
+        if(typeof callback === 'function'){
+            if(data.Status == 'Created'){
+                callback.call(null,data.CalendarItem);
+            } else {
+                throw new Error(data);
+            }
+        }
+    });
+};
+
 AsposeTasks.prototype.getCalendar = function(fileName, calId, callback){
 
     fileName = typeof fileName !== 'undefined' ? fileName : '';
@@ -463,6 +491,34 @@ AsposeTasks.prototype.getLinks = function(fileName,callback){
     });
 };
 
+AsposeTasks.prototype.addLink = function(fileName,taskData,callback){
+
+    fileName = typeof fileName !== 'undefined' ? fileName : '';
+    taskData = typeof taskData !== 'undefined' ? taskData : '';
+
+    if(fileName === '' || taskData === ''){
+        throw new Error('missing required arguments.');
+    }
+
+    if(typeof taskData === 'object')
+    {
+        taskData = JSON.stringify(taskData);
+    }
+
+    var strURI = this.baseURI + 'tasks/' + fileName + '/taskLinks';
+    var signedURI = Utils.Sign(strURI,this.appSID,this.appKey);
+
+    Utils.ProcessCommand('POST',signedURI,taskData,function(data){
+        if(typeof callback === 'function'){
+            if(data.Status === 'OK'){
+                callback.call(null,data);
+            } else {
+                throw new Error(data.Message);
+            }
+        }
+    });
+};
+
 AsposeTasks.prototype.deleteLink = function(fileName, linkIndex, callback){
 
     fileName = typeof fileName !== 'undefined' ? fileName : '';
@@ -581,12 +637,8 @@ AsposeTasks.prototype.getExtendedAttribute = function(fileName, attrIndex, callb
 
     fileName = typeof fileName !== 'undefined' ? fileName : '';
 
-    if(fileName === ''){
-        throw new Error('Filename not defined.');
-    }
-
-    if(attrIndex === ''){
-        throw new Error('attrIndex not defined.');
+    if(fileName === '' || attrIndex === ''){
+        throw new Error('missing required attributes.');
     }
 
     var strURI = this.baseURI + 'tasks/' + fileName + '/extendedAttributes/' + attrIndex;
@@ -607,12 +659,8 @@ AsposeTasks.prototype.deleteExtendedAttribute = function(fileName, attrIndex, ca
 
     fileName = typeof fileName !== 'undefined' ? fileName : '';
 
-    if(fileName === ''){
-        throw new Error('Filename not defined.');
-    }
-
-    if(attrIndex === ''){
-        throw new Error('attrIndex not defined.');
+    if(fileName === '' || attrIndex === ''){
+        throw new Error('missing required parameters.');
     }
 
     var strURI = this.baseURI + 'tasks/' + fileName + '/extendedAttributes/' + attrIndex;
diff --git a/package.json b/package.json
index 907c8b1..85d5e4c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "asposecloud",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "Aspose Cloud SDK for NodeJS",
   "main": "lib/aspose-cloud.js",
   "scripts": {