diff --git a/chapi-ast-csharp/src/main/kotlin/chapi/ast/csharpast/CSharpFullIdentListener.kt b/chapi-ast-csharp/src/main/kotlin/chapi/ast/csharpast/CSharpFullIdentListener.kt
index 23e147af..ea9ab853 100644
--- a/chapi-ast-csharp/src/main/kotlin/chapi/ast/csharpast/CSharpFullIdentListener.kt
+++ b/chapi-ast-csharp/src/main/kotlin/chapi/ast/csharpast/CSharpFullIdentListener.kt
@@ -5,6 +5,7 @@ import chapi.ast.antlr.CSharpParser.Class_typeContext
 import chapi.ast.antlr.CSharpParser.Type_declarationContext
 import chapi.domain.core.*
 import chapi.infra.Stack
+import org.antlr.v4.runtime.ParserRuleContext
 
 class CSharpFullIdentListener(val fileName: String) : CSharpAstListener() {
     private var currentStruct: CodeDataStruct = CodeDataStruct();
@@ -83,7 +84,8 @@ class CSharpFullIdentListener(val fileName: String) : CSharpAstListener() {
     override fun enterClass_definition(ctx: CSharpParser.Class_definitionContext?) {
         val className = ctx!!.identifier().text
         val codeDataStruct = CodeDataStruct(
-            NodeName = className
+            NodeName = className,
+            Position = buildPosition(ctx)
         )
 
         val classMemberDeclarations = ctx.class_body().class_member_declarations()
@@ -295,6 +297,16 @@ class CSharpFullIdentListener(val fileName: String) : CSharpAstListener() {
         return modifiers
     }
 
+
+    fun buildPosition(ctx: ParserRuleContext): CodePosition {
+        val position = CodePosition()
+        position.StartLine = ctx.start.line
+        position.StartLinePosition = ctx.start.charPositionInLine
+        position.StopLine = ctx.stop.line
+        position.StopLinePosition = ctx.stop.charPositionInLine
+        return position
+    }
+
     fun getNodeInfo(): CodeContainer {
         return codeContainer
     }
diff --git a/chapi-ast-csharp/src/test/kotlin/chapi/ast/csharpast/CSharpFullIdentListenerTest.kt b/chapi-ast-csharp/src/test/kotlin/chapi/ast/csharpast/CSharpFullIdentListenerTest.kt
index 212b81c3..a8d963f0 100644
--- a/chapi-ast-csharp/src/test/kotlin/chapi/ast/csharpast/CSharpFullIdentListenerTest.kt
+++ b/chapi-ast-csharp/src/test/kotlin/chapi/ast/csharpast/CSharpFullIdentListenerTest.kt
@@ -223,6 +223,27 @@ namespace Chapi {
         assertEquals(2, structs[0].Functions.size)
     }
 
+
+    @Test
+    fun shouldIdentClassPosition() {
+        val code = """
+using System; 
+  
+namespace Chapi { 
+    public class Chapi {
+        public Chapi() {}
+        public Chapi(long id) {}
+    }
+} 
+"""
+        val codeContainer = CSharpAnalyser().analysis(code, "ChapiController.cs")
+        val structs = codeContainer.Containers[0].DataStructures
+        assertEquals(structs.size, 1)
+
+        assertEquals(structs[0].Position.StartLine, 5)
+        assertEquals(structs[0].Position.StopLine, 8)
+    }
+
     @Test
     fun shouldIdentProperty() {
         val code = """