diff --git a/languages/xppJSON.json b/languages/xppJSON.json
new file mode 100644
index 0000000..62000ef
--- /dev/null
+++ b/languages/xppJSON.json
@@ -0,0 +1,115 @@
+{
+  "modelStart": "\n{",
+  "reservedKeywords": [
+    "abstract",
+    "as",
+    "base",
+    "boolean",
+    "break",
+    "byte",
+    "case",
+    "catch",
+    "char",
+    "checked",
+    "class",
+    "const",
+    "continue",
+    "real",
+    "default",
+    "delegate",
+    "do",
+    "double",
+    "else",
+    "enum",
+    "event",
+    "explicit",
+    "extern",
+    "false",
+    "finally",
+    "fixed",
+    "float",
+    "for",
+    "foreach",
+    "goto",
+    "if",
+    "implicit",
+    "in",
+    "int",
+    "interface",
+    "internal",
+    "is",
+    "lock",
+    "long",
+    "namespace",
+    "new",
+    "null",
+    "object",
+    "operator",
+    "out",
+    "override",
+    "params",
+    "private",
+    "protected",
+    "public",
+    "readonly",
+    "ref",
+    "return",
+    "sbyte",
+    "sealed",
+    "short",
+    "sizeof",
+    "stackalloc",
+    "static",
+    "str",
+    "struct",
+    "switch",
+    "this",
+    "throw",
+    "true",
+    "try",
+    "typeof",
+    "uint",
+    "ulong",
+    "unchecked",
+    "unsafe",
+    "ushort",
+    "using",
+    "virtual",
+    "void",
+    "volatile",
+    "while"
+  ],
+
+  "dataTypes": {
+    "arrayType": "List",
+    "generic": "object",
+    "string": "str",
+    "boolean": "boolean",
+    "float": "real",
+    "doubleType": "real",
+    "characterType": "real",
+    "longType": "long",
+    "int": "int"
+  },
+
+  "modelDefinition": "\n[DataContract]\npublic class <!ModelName!> ",
+  "fileExtension": "cs",
+  "instanceVarDefinition": "\n\tprivate <!VarType!> <!VarName!>;",
+  "modelEnd": "\n}",
+  "staticImports": "",
+  "supportsCamelcasing": false,
+  "methods": {
+    "others": {
+      "getterSetter": {
+        "name": "DataMembers",
+        "signature": "",
+        "bodyStart": "",
+        "bodyEnd": "",
+        "codeForEachProperty": "\n\t[DataMember]\n\tpublic <!VarType!> <!CapitalizedVarName!>(<!VarType!> _<!VarName!> = <!VarName!>)\n\t{\n\t\t<!VarName!> = _<!VarName!>;\n\t\treturn <!VarName!>;\n\t}\n",
+        "codeForEachArrayProperty": "\n\t[DataMember,\n\t AifCollectionTypeAttribute(\"_<!VarName!>\",Types::Class), classstr(putClassName),\n\t AifCollectionTypeAttribute(\"_return\",Types::Class), classstr(putClassName)]\n\tpublic <!VarType!> <!CapitalizedVarName!>(<!VarType!> _<!VarName!> = <!VarName!>)\n\t{\n\t\t<!VarName!> = _<!VarName!>;\n\t\treturn <!VarName!>;\n\t}",
+        "checked": "checked"
+      }
+    }
+  },
+  "exampleCode": "## Example\n\n\n#### Decoding:\nThe example below shows how to decode an instance of `<!RootClassName>` type from JSON object.\n\n```csharp\nstring json = \"...\"; // Your JSON String.\n\n<!RootClassName> model = JsonConvert.DeserializeObject<<!RootClassName>>(json);\n```\n\n\n#### Encoding: \nThe example below shows how to encode an instance of a simple `<!RootClassName>` type into a JSON object.\n\n```java\n<!RootClassName> model = new <!RootClassName>();\n// Assign value to variables.\n\nstring json = JsonConvert.SerializeObject(model);\n```"
+}
\ No newline at end of file
diff --git a/script/script.js b/script/script.js
index 627ce02..38f2643 100644
--- a/script/script.js
+++ b/script/script.js
@@ -140,9 +140,19 @@ let languages = {
         mode: "text/x-csharp",
         name: "C# Class",
         file: "CSharpClass.json"
+        }
+    }
+  },
+  xpp: {
+      name: "X++",
+      frameworks: {
+          xppClass: {
+              mode: "text/x-csharp",
+              name: "X++ Contract Class",
+              file: "xppJSON.json"
+          }
       }
     }
-  }
 };
 
 var selectedLanguage = languages.swift;