diff --git a/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj b/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj
index 295d80b..e38c043 100644
--- a/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj
+++ b/Contentstack.Management.Core.Tests/Contentstack.Management.Core.Tests.csproj
@@ -58,6 +58,5 @@
     <!-- Contentstack020_WorkflowTest.cs - RE-ENABLED for Workflow module STJ migration -->
     <Compile Remove="IntegrationTest\Contentstack012b_ContentTypeExpandedIntegrationTest.cs" />
 
-    <Compile Remove="IntegrationTest\Contentstack019_RoleTest.cs" />
   </ItemGroup>
 </Project>
diff --git a/Contentstack.Management.Core.Tests/IntegrationTest/Contentstack019_RoleTest.cs b/Contentstack.Management.Core.Tests/IntegrationTest/Contentstack019_RoleTest.cs
index 7d6921a..f48b1f7 100644
--- a/Contentstack.Management.Core.Tests/IntegrationTest/Contentstack019_RoleTest.cs
+++ b/Contentstack.Management.Core.Tests/IntegrationTest/Contentstack019_RoleTest.cs
@@ -8,7 +8,7 @@
 using Contentstack.Management.Core.Tests.Helpers;
 using Contentstack.Management.Core.Tests.Model;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Newtonsoft.Json.Linq;
+using System.Text.Json.Nodes;
 
 namespace Contentstack.Management.Core.Tests.IntegrationTest
 {
@@ -66,7 +66,7 @@ private static RoleModel BuildMinimalRoleModel(string uniqueName)
 
         private static string ParseRoleUid(ContentstackResponse response)
         {
-            var jo = response.OpenJObjectResponse();
+            var jo = response.OpenJsonObjectResponse();
             return jo?["role"]?["uid"]?.ToString();
         }
 
@@ -87,7 +87,7 @@ private void SafeDelete(string roleUid)
             }
         }
 
-        private static bool RolesArrayContainsUid(JArray roles, string uid)
+        private static bool RolesArrayContainsUid(JsonArray roles, string uid)
         {
             if (roles == null || string.IsNullOrEmpty(uid))
             {
@@ -324,7 +324,7 @@ public void Test001_Should_Create_Role_Sync()
                 roleUid = ParseRoleUid(response);
                 AssertLogger.IsNotNull(roleUid, "role uid");
 
-                var jo = response.OpenJObjectResponse();
+                var jo = response.OpenJsonObjectResponse();
                 AssertLogger.AreEqual(name, jo["role"]?["name"]?.ToString(), "Response name should match", "RoleName");
             }
             finally
@@ -349,7 +349,7 @@ public void Test002_Should_Fetch_Role_Sync()
                 ContentstackResponse fetchResponse = _stack.Role(roleUid).Fetch();
                 AssertLogger.IsTrue(fetchResponse.IsSuccessStatusCode, "Fetch should succeed", "FetchSyncSuccess");
 
-                var role = fetchResponse.OpenJObjectResponse()?["role"];
+                var role = fetchResponse.OpenJsonObjectResponse()?["role"];
                 AssertLogger.AreEqual(name, role?["name"]?.ToString(), "Fetched name should match", "FetchedName");
                 AssertLogger.AreEqual(roleUid, role?["uid"]?.ToString(), "Fetched uid should match", "FetchedUid");
             }
@@ -375,7 +375,7 @@ public void Test003_Should_Query_Roles_Sync()
                 ContentstackResponse queryResponse = _stack.Role().Query().Find();
                 AssertLogger.IsTrue(queryResponse.IsSuccessStatusCode, "Query Find should succeed", "QueryFindSuccess");
 
-                var roles = queryResponse.OpenJObjectResponse()?["roles"] as JArray;
+                var roles = queryResponse.OpenJsonObjectResponse()?["roles"] as JsonArray;
                 AssertLogger.IsNotNull(roles, "roles array");
                 AssertLogger.IsTrue(
                     RolesArrayContainsUid(roles, roleUid),
@@ -408,7 +408,7 @@ public void Test004_Should_Update_Role_Sync()
 
                 ContentstackResponse fetchResponse = _stack.Role(roleUid).Fetch();
                 AssertLogger.IsTrue(fetchResponse.IsSuccessStatusCode, "Fetch after update should succeed", "FetchAfterUpdate");
-                var role = fetchResponse.OpenJObjectResponse()?["role"];
+                var role = fetchResponse.OpenJsonObjectResponse()?["role"];
                 AssertLogger.AreEqual(updatedName, role?["name"]?.ToString(), "Name should reflect update", "UpdatedName");
             }
             finally
@@ -466,7 +466,7 @@ public async Task Test006_Should_Create_Role_Async()
                 roleUid = ParseRoleUid(response);
                 AssertLogger.IsNotNull(roleUid, "role uid");
 
-                var jo = response.OpenJObjectResponse();
+                var jo = response.OpenJsonObjectResponse();
                 AssertLogger.AreEqual(name, jo["role"]?["name"]?.ToString(), "Response name should match", "RoleName");
             }
             finally
@@ -491,7 +491,7 @@ public async Task Test007_Should_Fetch_Role_Async()
                 ContentstackResponse fetchResponse = await _stack.Role(roleUid).FetchAsync();
                 AssertLogger.IsTrue(fetchResponse.IsSuccessStatusCode, "FetchAsync should succeed", "FetchAsyncSuccess");
 
-                var role = fetchResponse.OpenJObjectResponse()?["role"];
+                var role = fetchResponse.OpenJsonObjectResponse()?["role"];
                 AssertLogger.AreEqual(name, role?["name"]?.ToString(), "Fetched name should match", "FetchedName");
                 AssertLogger.AreEqual(roleUid, role?["uid"]?.ToString(), "Fetched uid should match", "FetchedUid");
             }
@@ -517,7 +517,7 @@ public async Task Test008_Should_Query_Roles_Async()
                 ContentstackResponse queryResponse = await _stack.Role().Query().FindAsync();
                 AssertLogger.IsTrue(queryResponse.IsSuccessStatusCode, "Query FindAsync should succeed", "QueryFindAsyncSuccess");
 
-                var roles = queryResponse.OpenJObjectResponse()?["roles"] as JArray;
+                var roles = queryResponse.OpenJsonObjectResponse()?["roles"] as JsonArray;
                 AssertLogger.IsNotNull(roles, "roles array");
                 AssertLogger.IsTrue(
                     RolesArrayContainsUid(roles, roleUid),
@@ -550,7 +550,7 @@ public async Task Test009_Should_Update_Role_Async()
 
                 ContentstackResponse fetchResponse = await _stack.Role(roleUid).FetchAsync();
                 AssertLogger.IsTrue(fetchResponse.IsSuccessStatusCode, "FetchAsync after update should succeed", "FetchAsyncAfterUpdate");
-                var role = fetchResponse.OpenJObjectResponse()?["role"];
+                var role = fetchResponse.OpenJsonObjectResponse()?["role"];
                 AssertLogger.AreEqual(updatedName, role?["name"]?.ToString(), "Name should reflect update", "UpdatedName");
             }
             finally
@@ -888,11 +888,11 @@ public void Test023_Should_Accept_Create_Role_With_Null_Rules_Sync()
                     AssertLogger.IsNotNull(roleUid, "NullRulesAccepted");
                     
                     // Verify API accepted the request - detailed rule validation is optional
-                    var responseContent = response.OpenJObjectResponse();
+                    var responseContent = response.OpenJsonObjectResponse();
                     if (responseContent?["role"] != null)
                     {
                         var role = responseContent["role"];
-                        var rules = role["rules"] as JArray;
+                        var rules = role["rules"] as JsonArray;
                         if (rules != null && rules.Count > 0)
                         {
                             AssertLogger.IsTrue(true, "DefaultRulesAdded");
@@ -941,7 +941,7 @@ public void Test024_Should_Accept_Create_Role_With_Empty_Rules_Sync()
                     AssertLogger.IsNotNull(roleUid, "EmptyRulesAccepted");
                     
                     // Verify API accepted the request - detailed rule validation is optional
-                    var responseContent = response.OpenJObjectResponse();
+                    var responseContent = response.OpenJsonObjectResponse();
                     if (responseContent?["role"] != null)
                     {
                         AssertLogger.IsTrue(true, "EmptyRulesHandledByAPI");
@@ -985,7 +985,7 @@ public void Test025_Should_Accept_Create_Role_With_Empty_Branches_Sync()
                     AssertLogger.IsNotNull(roleUid, "EmptyBranchesAccepted");
                     
                     // Verify API accepted the request - detailed branch validation is optional
-                    var responseContent = response.OpenJObjectResponse();
+                    var responseContent = response.OpenJsonObjectResponse();
                     if (responseContent?["role"] != null)
                     {
                         AssertLogger.IsTrue(true, "EmptyBranchesHandledByAPI");
@@ -1029,7 +1029,7 @@ public void Test026_Should_Accept_Create_Role_With_Nonexistent_Branch_Sync()
                     AssertLogger.IsNotNull(roleUid, "NonexistentBranchAccepted");
                     
                     // Verify API accepted the request - detailed branch validation is optional
-                    var responseContent = response.OpenJObjectResponse();
+                    var responseContent = response.OpenJsonObjectResponse();
                     if (responseContent?["role"] != null)
                     {
                         AssertLogger.IsTrue(true, "NonexistentBranchHandledByAPI");
@@ -1144,7 +1144,7 @@ public void Test029_Should_Accept_Update_Role_With_Empty_Name_Sync()
                     AssertLogger.IsTrue(true, "EmptyNameUpdateAccepted");
                     
                     // Verify API preserved original name when empty name provided
-                    var role = updateResponse.OpenJObjectResponse()?["role"];
+                    var role = updateResponse.OpenJsonObjectResponse()?["role"];
                     var currentName = role?["name"]?.ToString();
                     AssertLogger.AreEqual(originalName, currentName, "OriginalNamePreserved");
                     AssertLogger.IsTrue(!string.IsNullOrEmpty(currentName), "NameNotEmpty");
@@ -1401,7 +1401,7 @@ public async Task Test035_Should_Accept_Update_Role_With_Empty_Name_Async()
                     AssertLogger.IsTrue(true, "EmptyNameUpdateAcceptedAsync");
                     
                     // Verify API preserved original name when empty name provided
-                    var role = updateResponse.OpenJObjectResponse()?["role"];
+                    var role = updateResponse.OpenJsonObjectResponse()?["role"];
                     var currentName = role?["name"]?.ToString();
                     AssertLogger.AreEqual(originalName, currentName, "OriginalNamePreservedAsync");
                     AssertLogger.IsTrue(!string.IsNullOrEmpty(currentName), "NameNotEmptyAsync");
@@ -2264,7 +2264,7 @@ public void Test054_Should_Handle_Unicode_Characters_In_Role_Name_Sync()
                     ContentstackResponse fetchResponse = _stack.Role(roleUid).Fetch();
                     if (fetchResponse.IsSuccessStatusCode)
                     {
-                        var role = fetchResponse.OpenJObjectResponse()?["role"];
+                        var role = fetchResponse.OpenJsonObjectResponse()?["role"];
                         var fetchedName = role?["name"]?.ToString();
                         AssertLogger.AreEqual(unicodeName, fetchedName, "Unicode name should be preserved", "UnicodePreserved");
                     }
@@ -2360,7 +2360,7 @@ public void Test056_Should_Handle_Stack_Role_Limits_Sync()
                         else if (response.StatusCode == (HttpStatusCode)422) // Unprocessable Entity
                         {
                             // Check for role limit error (Error Code 157)
-                            var errorContent = response.OpenJObjectResponse();
+                            var errorContent = response.OpenJsonObjectResponse();
                             var errorCode = errorContent?["error_code"]?.ToString();
                             
                             if (errorCode == "157")
@@ -2574,7 +2574,7 @@ public void Test059_Should_Handle_Concurrent_Role_Modifications_Sync()
                 ContentstackResponse fetchResponse = _stack.Role(roleUid).Fetch();
                 if (fetchResponse.IsSuccessStatusCode)
                 {
-                    var role = fetchResponse.OpenJObjectResponse()?["role"];
+                    var role = fetchResponse.OpenJsonObjectResponse()?["role"];
                     AssertLogger.IsNotNull(role, "ConcurrentFinalState");
                 }
                 
diff --git a/Contentstack.Management.Core.Unit.Tests/Models/RoleTest.cs b/Contentstack.Management.Core.Unit.Tests/Models/RoleTest.cs
index db9d1f3..dbc4fd7 100644
--- a/Contentstack.Management.Core.Unit.Tests/Models/RoleTest.cs
+++ b/Contentstack.Management.Core.Unit.Tests/Models/RoleTest.cs
@@ -59,7 +59,7 @@ public void Should_Create_Role()
             ContentstackResponse response = _stack.Role().Create(_fixture.Create<RoleModel>());
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -68,7 +68,7 @@ public async System.Threading.Tasks.Task Should_Create_Role_Async()
             ContentstackResponse response = await _stack.Role().CreateAsync(_fixture.Create<RoleModel>());
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -77,7 +77,7 @@ public void Should_Query_Role()
             ContentstackResponse response = _stack.Role().Query().Find();
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -86,7 +86,7 @@ public async System.Threading.Tasks.Task Should_Query_Role_Async()
             ContentstackResponse response = await _stack.Role().Query().FindAsync();
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -95,7 +95,7 @@ public void Should_Fetch_Role()
             ContentstackResponse response = _stack.Role(_fixture.Create<string>()).Fetch();
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -104,7 +104,7 @@ public async System.Threading.Tasks.Task Should_Find_Role_Async()
             ContentstackResponse response = await _stack.Role(_fixture.Create<string>()).FetchAsync();
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -113,7 +113,7 @@ public void Should_Update_Role()
             ContentstackResponse response = _stack.Role(_fixture.Create<string>()).Update(_fixture.Create<RoleModel>());
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -122,7 +122,7 @@ public async System.Threading.Tasks.Task Should_Update_Role_Async()
             ContentstackResponse response = await _stack.Role(_fixture.Create<string>()).UpdateAsync(_fixture.Create<RoleModel>());
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -131,7 +131,7 @@ public void Should_Delete_Role()
             ContentstackResponse response = _stack.Role(_fixture.Create<string>()).Delete();
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -140,7 +140,7 @@ public async System.Threading.Tasks.Task Should_Delete_Role_Async()
             ContentstackResponse response = await _stack.Role(_fixture.Create<string>()).DeleteAsync();
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -149,7 +149,7 @@ public void Should_Create_Role_With_Taxonomy_Permissions()
             ContentstackResponse response = _stack.Role().Create(_fixture.Create<RoleModel>());
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
 
         [TestMethod]
@@ -158,7 +158,7 @@ public void Should_Update_Role_With_Taxonomy_Permissions()
             ContentstackResponse response = _stack.Role(_fixture.Create<string>()).Update(_fixture.Create<RoleModel>());
 
             Assert.AreEqual(_contentstackResponse.OpenResponse(), response.OpenResponse());
-            Assert.AreEqual(_contentstackResponse.OpenJObjectResponse().ToString(), response.OpenJObjectResponse().ToString());
+            Assert.AreEqual(_contentstackResponse.OpenJsonObjectResponse().ToString(), response.OpenJsonObjectResponse().ToString());
         }
     }
 }
diff --git a/Contentstack.Management.Core/Models/RoleModel.cs b/Contentstack.Management.Core/Models/RoleModel.cs
index 13c0d25..f8c3de1 100644
--- a/Contentstack.Management.Core/Models/RoleModel.cs
+++ b/Contentstack.Management.Core/Models/RoleModel.cs
@@ -1,107 +1,106 @@
 using System.Collections.Generic;
-using Newtonsoft.Json;
+using System.Text.Json.Serialization;
 namespace Contentstack.Management.Core.Models
 {
-    [JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
     public class RoleModel
     {
-        [JsonProperty(propertyName: "name")]
+        [JsonPropertyName("name")]
         public string? Name { get; set; }
 
-        [JsonProperty(propertyName: "description")]
+        [JsonPropertyName("description")]
         public string? Description { get; set; }
 
-        [JsonProperty(propertyName: "rules")]
+        [JsonPropertyName("rules")]
         public List<Rule>? Rules { get; set; }
 
-        [JsonProperty(propertyName: "deploy_content")]
+        [JsonPropertyName("deploy_content")]
         public bool DeployContent { get; set; } = true;
     }
 
     public class Rule
     {
-        [JsonProperty(propertyName: "acl")]
+        [JsonPropertyName("acl")]
         public Dictionary<string, object>? ACL { get; }
 
-        [JsonProperty(propertyName: "restrict")]
+        [JsonPropertyName("restrict")]
         public bool Restrict { get; }
     }
 
     public class ContentTypeRules: Rule
     {
-        [JsonProperty(propertyName: "module")]
+        [JsonPropertyName("module")]
         public string Module { get; } = "content_type";
 
-        [JsonProperty(propertyName: "content_types")]
+        [JsonPropertyName("content_types")]
         public List<string>? ContentTypes { get; set; }
     }
 
     public class BranchRules : Rule
     {
-        [JsonProperty(propertyName: "module")]
+        [JsonPropertyName("module")]
         public string Module { get; } = "branch";
 
-        [JsonProperty(propertyName: "branches")]
+        [JsonPropertyName("branches")]
         public List<string>? Branches { get; set; }
     }
 
     public class BranchAliasRules : Rule
     {
-        [JsonProperty(propertyName: "module")]
+        [JsonPropertyName("module")]
         public string Module { get; } = "branch_alias";
 
-        [JsonProperty(propertyName: "branch_aliases")]
+        [JsonPropertyName("branch_aliases")]
         public List<string>? BranchAliases { get; set; }
     }
 
     public class AssetRules : Rule
     {
-        [JsonProperty(propertyName: "module")]
+        [JsonPropertyName("module")]
         public string Module { get; } = "asset";
 
-        [JsonProperty(propertyName: "assets")]
+        [JsonPropertyName("assets")]
         public List<string>? Assets { get; set; }
     }
 
     public class FolderRules : Rule
     {
-        [JsonProperty(propertyName: "module")]
+        [JsonPropertyName("module")]
         public string Module { get; } = "folder";
 
-        [JsonProperty(propertyName: "folders")]
+        [JsonPropertyName("folders")]
         public List<string>? Folders { get; set; }
     }
 
     public class EnvironmentRules : Rule
     {
-        [JsonProperty(propertyName: "module")]
+        [JsonPropertyName("module")]
         public string Module { get; } = "environment";
 
-        [JsonProperty(propertyName: "environments")]
+        [JsonPropertyName("environments")]
         public List<string>? Environments { get; set; }
     }
 
     public class TaxonomyContentType
     {
-        [JsonProperty(propertyName: "uid")]
+        [JsonPropertyName("uid")]
         public string? Uid { get; set; }
 
-        [JsonProperty(propertyName: "acl")]
+        [JsonPropertyName("acl")]
         public Dictionary<string, object>? ACL { get; }
     }
 
     public class TaxonomyRules : Rule
     {
-        [JsonProperty(propertyName: "module")]
+        [JsonPropertyName("module")]
         public string Module { get; } = "taxonomy";
 
-        [JsonProperty(propertyName: "taxonomies")]
+        [JsonPropertyName("taxonomies")]
         public List<string>? Taxonomies { get; set; }
 
-        [JsonProperty(propertyName: "terms")]
+        [JsonPropertyName("terms")]
         public List<string>? Terms { get; set; }
 
-        [JsonProperty(propertyName: "content_types")]
+        [JsonPropertyName("content_types")]
         public List<TaxonomyContentType>? ContentTypes { get; set; }
     }
 }
diff --git a/Contentstack.Management.Core/Models/Stack.cs b/Contentstack.Management.Core/Models/Stack.cs
index ade5aea..12d0352 100644
--- a/Contentstack.Management.Core/Models/Stack.cs
+++ b/Contentstack.Management.Core/Models/Stack.cs
@@ -818,15 +818,13 @@ public ManagementToken ManagementTokens(string? uid = null)
         /// </code></pre>
         /// </example>
         /// <returns>The <see cref="Models.Release" /></returns>
-        /*
-        public Role Role(string uid = null)
+        public Role Role(string? uid = null)
         {
             ThrowIfNotLoggedIn();
             ThrowIfAPIKeyEmpty();
 
             return new Role(this, uid);
         }
-        */
 
         /// <summary>
         /// A <see cref="Models.Release" /> is a set of entries and assets that needs to be deployed (published or unpublished) all at once to a particular environment.
diff --git a/Contentstack.Management.Core/contentstack.management.core.csproj b/Contentstack.Management.Core/contentstack.management.core.csproj
index d917a71..e508703 100644
--- a/Contentstack.Management.Core/contentstack.management.core.csproj
+++ b/Contentstack.Management.Core/contentstack.management.core.csproj
@@ -91,7 +91,7 @@
     <!-- PublishRule.cs - RE-ENABLED for Workflow module STJ migration -->
     <!-- Release.cs - RE-ENABLED for Release module STJ migration -->
     <!-- ReleaseItem.cs - RE-ENABLED for Release module STJ migration -->
-    <Compile Remove="Models\Role.cs" />
+    <!-- Role.cs - RE-ENABLED for Role module STJ migration -->
 
 
     <!-- User.cs - RE-ENABLED -->