diff --git a/CHANGELOG.md b/CHANGELOG.md
index 809b1ff6..3bbcfbe2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## [5.36.0](https://github.com/plivo/plivo-dotnet/tree/v5.36.0) (2023-10-20)
+**Feature - campaign_source field**
+- Added new param `campaign_source` in LIST / GET Campaign APIs
+
 ## [5.35.0](https://github.com/plivo/plivo-dotnet/tree/v5.35.0) (2023-10-17)
 **Feature - Fixes for Campaign services list API meta data**
 - Fixed Meta data response for campaign, brand and profile list
diff --git a/README.md b/README.md
index eec0059a..98764d87 100644
--- a/README.md
+++ b/README.md
@@ -12,13 +12,13 @@ You can install this SDK either by referencing the .dll file or using NuGet.
 Use the following line to install the latest SDK using the NuGet CLI.
 
 ```
-PM> Install-Package Plivo -Version 5.35.0
+PM> Install-Package Plivo -Version 5.36.0
 ```
 
 You can also use the .NET CLI to install this package as follows
 
 ```
-> dotnet add package Plivo --version 5.35.0
+> dotnet add package Plivo --version 5.36.0
 ```
 
 ## Getting started
diff --git a/src/Plivo/Plivo.csproj b/src/Plivo/Plivo.csproj
index f64d0d8a..000489bb 100644
--- a/src/Plivo/Plivo.csproj
+++ b/src/Plivo/Plivo.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard1.3</TargetFrameworks>
-    <ReleaseVersion>5.35.0</ReleaseVersion>
+    <ReleaseVersion>5.36.0</ReleaseVersion>
     <Version />
     <Authors>Plivo SDKs Team</Authors>
     <Owners>Plivo Inc.</Owners>
diff --git a/src/Plivo/Plivo.nuspec b/src/Plivo/Plivo.nuspec
index 126d586d..e2181317 100644
--- a/src/Plivo/Plivo.nuspec
+++ b/src/Plivo/Plivo.nuspec
@@ -4,7 +4,7 @@
     <summary>A .NET SDK to make voice calls and send SMS using Plivo and to generate Plivo XML</summary>
     <description>A .NET SDK to make voice calls and send SMS using Plivo and to generate Plivo XML</description>
     <id>Plivo</id>
-    <version>5.35.0</version>
+    <version>5.36.0</version>
     <title>Plivo</title>
     <authors>Plivo SDKs Team</authors>
     <owners>Plivo, Inc.</owners>
@@ -12,6 +12,7 @@
     <projectUrl>http://github.com/plivo/plivo-dotnet</projectUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <releaseNotes>
+      * 5.36.0 Added New Params `campaign_source`.
       * 5.35.0 Fixes for Campaign services list API meta data.
       * 5.34.0 Added new params `template`, `template_json_string` and message_type `whatsapp`in send message API. Added new `message_state` (`read`), `message_type` (`whatsapp`), `conversation_id`, `conversation_origin`, `conversation_expiration_timestamp` in List Message and Get Message APIs.
       * 5.33.0 Added New Params `DestinationNetwork`, `CarrierFeesRate`, `CarrierFees`.
diff --git a/src/Plivo/Resource/Campaign/Campaign.cs b/src/Plivo/Resource/Campaign/Campaign.cs
index 3aabf21c..259f5e33 100644
--- a/src/Plivo/Resource/Campaign/Campaign.cs
+++ b/src/Plivo/Resource/Campaign/Campaign.cs
@@ -100,6 +100,10 @@ public class CampaignResponse
 
         [JsonProperty("created_at")]
         public string CreatedAt { get; set; }
+
+        [JsonProperty("campaign_source")]
+        public string CampaignSource { get; set; }
+
     }
 
    [JsonObject(MemberSerialization.OptIn)]
@@ -207,6 +211,9 @@ public class ListCampaigns: Resource
         [JsonProperty("created_at")]
         public string CreatedAt { get; set; }
 
+        [JsonProperty("campaign_source")]
+        public string CampaignSource { get; set; }
+
         public override string ToString()
         {
             return JsonConvert.SerializeObject(this, Formatting.Indented);
diff --git a/src/Plivo/Resource/Campaign/CampaignInterface.cs b/src/Plivo/Resource/Campaign/CampaignInterface.cs
index 8f81cb3c..e88c2ca3 100644
--- a/src/Plivo/Resource/Campaign/CampaignInterface.cs
+++ b/src/Plivo/Resource/Campaign/CampaignInterface.cs
@@ -51,9 +51,10 @@ public async Task<GetCampaign> GetAsync(string campaignID)
         /// List campaign list type and status.
         /// </summary>
         /// <returns>The list.</returns>
-        /// <param name="brand">brand.</param>
+        /// <param name="brand_id">brand_id.</param>
         /// <param name="usecase">usecase.</param>
-        public CampaignListResponse<ListCampaigns> List(uint? limit = null, uint? offset = null)
+        /// <param name="campaign_source">campaign_source</param>
+        public CampaignListResponse<ListCampaigns> List(uint? limit = null, uint? offset = null, string brand_id =null, string usecase=null, string campaign_source="plivo")
         {
             var mandatoryParams = new List<string> {""};
             var data = CreateData(
@@ -61,7 +62,10 @@ public CampaignListResponse<ListCampaigns> List(uint? limit = null, uint? offset
                 new
                 {
                     limit,
-                    offset
+                    offset,
+                    campaign_source,
+                    brand_id,
+                    usecase
                 });
 
 			return ExecuteWithExceptionUnwrap(() =>
@@ -78,9 +82,10 @@ public CampaignListResponse<ListCampaigns> List(uint? limit = null, uint? offset
         /// List Brand list type and status.
         /// </summary>
         /// <returns>The list.</returns>
-        /// <param name="brand">brand.</param>
-        /// <param name="usecase">status.</param>
-        public async Task<CampaignListResponse<ListCampaigns>> ListAsync(uint? limit = null, uint? offset = null)
+        /// <param name="brand_id">brand_id.</param>
+        /// <param name="usecase">usercase.</param>
+        /// <param name="campaign_source">campaign_source</param>
+        public async Task<CampaignListResponse<ListCampaigns>> ListAsync(uint? limit = null, uint? offset = null, string brand_id =null, string usecase=null, string campaign_source="plivo")
         {
             var mandatoryParams = new List<string> {""};
             var data = CreateData(
@@ -88,7 +93,10 @@ public async Task<CampaignListResponse<ListCampaigns>> ListAsync(uint? limit = n
                 new
                 {
                     limit,
-                    offset
+                    offset,
+                    campaign_source,
+                    brand_id,
+                    usecase
                 });
 
             var resources = await ListResources<CampaignListResponse<ListCampaigns>>("10dlc/Campaign", data);
diff --git a/src/Plivo/Version.cs b/src/Plivo/Version.cs
index 607893da..fac6e4b1 100644
--- a/src/Plivo/Version.cs
+++ b/src/Plivo/Version.cs
@@ -10,7 +10,7 @@ public class Version
         /// <summary>
         /// DotNet SDK version
         /// </summary>
-        public const string SdkVersion = "5.35.0";
+        public const string SdkVersion = "5.36.0";
         /// <summary>
         /// Plivo API version
         /// </summary>
diff --git a/tests_netcore/Plivo.NetCore.Test/Mocks/campaignGetResponse.json b/tests_netcore/Plivo.NetCore.Test/Mocks/campaignGetResponse.json
index e7f43ace..d075e1f8 100644
--- a/tests_netcore/Plivo.NetCore.Test/Mocks/campaignGetResponse.json
+++ b/tests_netcore/Plivo.NetCore.Test/Mocks/campaignGetResponse.json
@@ -33,6 +33,7 @@
           "subscriber_optout": false,
           "subscriber_help": false,
           "affiliate_marketing": false
-      }
+      },
+      "campaign_source": "plivo"
   }
 }
\ No newline at end of file
diff --git a/tests_netcore/Plivo.NetCore.Test/Mocks/campaignListResponse.json b/tests_netcore/Plivo.NetCore.Test/Mocks/campaignListResponse.json
index c5b8aba7..f8cfaade 100644
--- a/tests_netcore/Plivo.NetCore.Test/Mocks/campaignListResponse.json
+++ b/tests_netcore/Plivo.NetCore.Test/Mocks/campaignListResponse.json
@@ -30,7 +30,8 @@
                 "Verizon Wireless": {}
             },
             "reseller_id": "",
-            "usecase": "MIXED"
+            "usecase": "MIXED",
+            "campaign_source": "plivo"
         },
         {
             "brand_id": "BHYYNCK",
@@ -46,13 +47,15 @@
                 "Verizon Wireless": {}
             },
             "reseller_id": "RPDPPUM",
-            "usecase": "ACCOUNT_NOTIFICATION"
+            "usecase": "ACCOUNT_NOTIFICATION",
+            "campaign_source": "plivo"
         },
         {
             "brand_id": "B8OD95Z",
             "campaign_id": "CWOOIAT",
             "reseller_id": "",
-            "usecase": "2FA"
+            "usecase": "2FA",
+            "campaign_source": "plivo"
         },
         {
             "brand_id": "BHYYNCK",
@@ -70,7 +73,8 @@
                 }
             },
             "reseller_id": "",
-            "usecase": "MIXED"
+            "usecase": "MIXED",
+            "campaign_source": "plivo"
         },
         {
             "brand_id": "BRPXS6E",
@@ -86,7 +90,8 @@
                 "Verizon Wireless": {}
             },
             "reseller_id": "",
-            "usecase": "ACCOUNT_NOTIFICATION"
+            "usecase": "ACCOUNT_NOTIFICATION",
+            "campaign_source": "plivo"
         }
     ]
 }
\ No newline at end of file
diff --git a/version.json b/version.json
index 434a96c4..248ed26f 100644
--- a/version.json
+++ b/version.json
@@ -1,5 +1,5 @@
 {
-  "version": "5.35.0",
+  "version": "5.36.0",
   "publicReleaseRefSpec": [
     "^refs/heads/master$",
     "^refs/heads/v\\d+(?:\\.\\d+)?$"