diff --git a/chapi-ast-cpp/src/main/kotlin/chapi/ast/cppast/CPPFullIdentListener.kt b/chapi-ast-cpp/src/main/kotlin/chapi/ast/cppast/CPPFullIdentListener.kt
index 314e96d5..086e4fdd 100644
--- a/chapi-ast-cpp/src/main/kotlin/chapi/ast/cppast/CPPFullIdentListener.kt
+++ b/chapi-ast-cpp/src/main/kotlin/chapi/ast/cppast/CPPFullIdentListener.kt
@@ -1,12 +1,41 @@
 package chapi.ast.cppast
 
 import chapi.ast.antlr.CPPBaseListener
+import chapi.ast.antlr.CPPParser
 import chapi.domain.core.CodeContainer
+import chapi.domain.core.CodeDataStruct
+import chapi.domain.core.CodeFunction
 
 class CPPFullIdentListener(fileName: String) : CPPBaseListener() {
     private var codeContainer: CodeContainer = CodeContainer(FullName = fileName)
+    private var defaultNode = CodeDataStruct()
+
+    override fun enterFunctiondefinition(ctx: CPPParser.FunctiondefinitionContext?) {
+        val context = ctx!!
+        val firstPtrDecl = context.declarator().ptrdeclarator()
+        if (firstPtrDecl != null) {
+            if (firstPtrDecl.noptrdeclarator() != null) {
+                tryFunctionBuild(firstPtrDecl)
+            }
+        }
+    }
+
+    private fun tryFunctionBuild(firstPtrDecl: CPPParser.PtrdeclaratorContext) {
+        val parametersandqualifiers = firstPtrDecl.noptrdeclarator().parametersandqualifiers()
+        if (parametersandqualifiers != null) {
+            val codeFunction = CodeFunction()
+
+            val functionName = firstPtrDecl.noptrdeclarator().noptrdeclarator().text
+            codeFunction.Name = functionName
+            defaultNode.Functions += codeFunction
+        }
+    }
 
     fun getNodeInfo(): CodeContainer {
+        if (defaultNode.Functions.isNotEmpty()) {
+            codeContainer.DataStructures += defaultNode
+        }
+
         return codeContainer
     }
 }
diff --git a/chapi-ast-cpp/src/test/kotlin/chapi/ast/cppast/CPPFullIdentListenerTest.kt b/chapi-ast-cpp/src/test/kotlin/chapi/ast/cppast/CPPFullIdentListenerTest.kt
index 9930e355..7a7a1259 100644
--- a/chapi-ast-cpp/src/test/kotlin/chapi/ast/cppast/CPPFullIdentListenerTest.kt
+++ b/chapi-ast-cpp/src/test/kotlin/chapi/ast/cppast/CPPFullIdentListenerTest.kt
@@ -6,18 +6,17 @@ import kotlin.test.assertEquals
 internal class CPPFullIdentListenerTest {
     @Test
     internal fun shouldAnalysisHelloWorld() {
-val code = """
-#include <iostream>
-using namespace std;
-int main() {
-    cout << "Hello, World!";
-    return 0;
-}
-"""
-
-        val fileName = "helloworld.cpp"
-        val container = CPPAnalyser().analysis(code, fileName)
-
+        val code = this::class.java.getResource("/grammar/helloworld.cpp").readText()
+        val container = CPPAnalyser().analysis(code, "helloworld.cpp")
         assertEquals(container.FullName, "helloworld.cpp")
     }
+
+    @Test
+    internal fun shouldIdentFunctionName() {
+        val code = this::class.java.getResource("/grammar/helloworld.cpp").readText()
+        val container = CPPAnalyser().analysis(code, "helloworld.cpp")
+        assertEquals(container.DataStructures.size, 1)
+        assertEquals(container.DataStructures[0].Functions.size, 1)
+        assertEquals(container.DataStructures[0].Functions[0].Name, "main")
+    }
 }