diff --git a/CHANGELOG.md b/CHANGELOG.md
index 450d2f42..0f9100d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,14 @@
 # Change Log
+
+## [4.26.2](https://github.com/plivo/plivo-python/tree/v4.26.2) (2022-09-28)
+**10DLC: Adding more attributes to campaign creation request**
+- Adding more attributes to campaign creation request
+
 ## [4.26.1](https://github.com/plivo/plivo-python/tree/v4.26.1) (2022-09-08)
 **Feature - Limit bug fix**
 - Fixed Limit threshold in 10DLC APIs
 
+
 ## [4.26.0](https://github.com/plivo/plivo-python/tree/v4.26.0) (2022-08-30)
 **Feature - 10DLC APIs**
 - Added new 10DLC APIs
diff --git a/plivo/resources/campaign.py b/plivo/resources/campaign.py
index efa28b5c..8dba9fcc 100644
--- a/plivo/resources/campaign.py
+++ b/plivo/resources/campaign.py
@@ -54,6 +54,13 @@ def list(self, brand=None, usecase=None,
         sample3=[optional(of_type(six.text_type))],
         sample4=[optional(of_type(six.text_type))],
         sample5=[optional(of_type(six.text_type))],
+        message_flow=[optional(of_type(six.text_type))],
+        help_message=[optional(of_type(six.text_type))],
+        optin_keywords=[optional(of_type(six.text_type))],
+        optin_message=[optional(of_type(six.text_type))],
+        optout_keywords=[optional(of_type(six.text_type))],
+        optout_message=[optional(of_type(six.text_type))],
+        help_keywords=[optional(of_type(six.text_type))],
         url=[optional(of_type(six.text_type))],
         method=[optional(of_type(six.text_type))])
     def create(self,
@@ -67,6 +74,13 @@ def create(self,
                sample4='',
                sample5='',
                url='',
+               message_flow='',
+               help_message='',
+               optin_keywords='',
+               optin_message='',
+               optout_keywords='',
+               optout_message='',
+               help_keywords='',
                method='POST',
                embedded_link=False,
                embedded_phone=False,
diff --git a/plivo/version.py b/plivo/version.py
index 78337876..999bdac2 100644
--- a/plivo/version.py
+++ b/plivo/version.py
@@ -1,2 +1,2 @@
 # -*- coding: utf-8 -*-
-__version__ = '4.26.1'
+__version__ = '4.26.2'
diff --git a/setup.py b/setup.py
index 9658e659..6d123309 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
     name='plivo',
-    version='4.26.1',
+    version='4.26.2',
     description='A Python SDK to make voice calls & send SMS using Plivo and to generate Plivo XML',
     long_description=long_description,
     url='https://github.com/plivo/plivo-python',
diff --git a/tests/resources/test_campaign.py b/tests/resources/test_campaign.py
index 330f6d97..075dbca9 100644
--- a/tests/resources/test_campaign.py
+++ b/tests/resources/test_campaign.py
@@ -11,7 +11,7 @@ def test_create(self):
                 vertical = "INSURANCE",
                 usecase = "MIXED",
                 sub_usecases = sub_usecase,
-                description = "sample description text",
+                description = "sample description  is mandatory param and minimum 40 character,sample description  is mandatory param and minimum 40 character",
                 embedded_link = False,
                 embedded_phone = False,
                 age_gated = False,
@@ -20,13 +20,20 @@ def test_create(self):
                 subscriber_optout = True,
                 subscriber_help = True,
                 affiliate_marketing = False,
-                sample1 = "test 1",
-                sample2 = "test 2",
+                sample1 = "sample messgae 1 is mandatory param and minimum 20 character",
+                sample2 = "sample messgae 2 is mandatory param and minimum 20 character",
                 sample3 = "test 1",
                 sample4 = "test 2",
                 sample5 = "test 2",
                 url="http://example.com/test",
-                method="POST")
+                method="POST",
+                message_flow = "message flow is mandatory field with 40 minimum character length,message flow is mandatory field with 40 minimum character length",
+                help_message = "help messgae is mandatory param and minimum 20 character",
+                optin_keywords= '',
+                optin_message ='',
+                optout_keywords = '',
+                optout_message = "optout message should be mandatory and 20 minimum character",
+                help_keywords='')
         self.assertEqual('POST', self.client.current_request.method)
         self.assertUrlEqual(
             'https://api.plivo.com/v1/Account/MAXXXXXXXXXXXXXXXXXX/10dlc/Campaign/',