diff --git a/internal/handlers/base.go b/internal/handlers/base.go
index babd9fb..aa83e0b 100644
--- a/internal/handlers/base.go
+++ b/internal/handlers/base.go
@@ -87,7 +87,7 @@ func(f *BaseSessionHandler) Process(rqs RequestSession) (RequestSession, error)
 
 func(f *BaseSessionHandler) Output(rqs RequestSession) (RequestSession,  error) {
 	var err error
-	_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
+	_, err = rqs.Engine.Flush(rqs.Ctx, rqs.Writer)
 	return rqs, err
 }
 
diff --git a/internal/http/at_session_handler.go b/internal/http/at_session_handler.go
index 53c4ba2..25da954 100644
--- a/internal/http/at_session_handler.go
+++ b/internal/http/at_session_handler.go
@@ -87,6 +87,6 @@ func (ash *ATSessionHandler) Output(rqs handlers.RequestSession) (handlers.Reque
 		return rqs, err
 	}
 
-	_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
+	_, err = rqs.Engine.Flush(rqs.Ctx, rqs.Writer)
 	return rqs, err
 }
\ No newline at end of file
diff --git a/internal/http/http_test.go b/internal/http/http_test.go
index 48d04ca..8f6f312 100644
--- a/internal/http/http_test.go
+++ b/internal/http/http_test.go
@@ -69,7 +69,7 @@ func TestATSessionHandler_ServeHTTP(t *testing.T) {
 				mh.GetRequestParserFunc = func() handlers.RequestParser { return mrp }
 				mh.OutputFunc = func(rs handlers.RequestSession) (handlers.RequestSession, error) { return rs, nil }
 				mh.ResetFunc = func(rs handlers.RequestSession) (handlers.RequestSession, error) { return rs, nil }
-				me.WriteResultFunc = func(context.Context, io.Writer) (int, error) { return 0, nil }
+				me.FlushFunc = func(context.Context, io.Writer) (int, error) { return 0, nil }
 			},
 			formData: url.Values{
 				"phoneNumber": []string{"+1234567890"},
@@ -178,7 +178,7 @@ func TestATSessionHandler_Output(t *testing.T) {
 			input: handlers.RequestSession{
 				Continue: true,
 				Engine: &httpmocks.MockEngine{
-					WriteResultFunc: func(context.Context, io.Writer) (int, error) {
+					FlushFunc: func(context.Context, io.Writer) (int, error) {
 						return 0, nil
 					},
 				},
@@ -192,7 +192,7 @@ func TestATSessionHandler_Output(t *testing.T) {
 			input: handlers.RequestSession{
 				Continue: false,
 				Engine: &httpmocks.MockEngine{
-					WriteResultFunc: func(context.Context, io.Writer) (int, error) {
+					FlushFunc: func(context.Context, io.Writer) (int, error) {
 						return 0, nil
 					},
 				},
@@ -202,11 +202,11 @@ func TestATSessionHandler_Output(t *testing.T) {
 			expectedError:  false,
 		},
 		{
-			name: "WriteResult error",
+			name: "Flush error",
 			input: handlers.RequestSession{
 				Continue: true,
 				Engine: &httpmocks.MockEngine{
-					WriteResultFunc: func(context.Context, io.Writer) (int, error) {
+					FlushFunc: func(context.Context, io.Writer) (int, error) {
 						return 0, errors.New("write error")
 					},
 				},
diff --git a/internal/mocks/httpmocks/enginemock.go b/internal/mocks/httpmocks/enginemock.go
index d5c6b20..12d07f4 100644
--- a/internal/mocks/httpmocks/enginemock.go
+++ b/internal/mocks/httpmocks/enginemock.go
@@ -7,10 +7,10 @@ import (
 
 // MockEngine implements the engine.Engine interface for testing
 type MockEngine struct {
-	InitFunc        func(context.Context) (bool, error)
-	ExecFunc        func(context.Context, []byte) (bool, error)
-	WriteResultFunc func(context.Context, io.Writer) (int, error)
-	FinishFunc      func() error
+	InitFunc   func(context.Context) (bool, error)
+	ExecFunc   func(context.Context, []byte) (bool, error)
+	FlushFunc  func(context.Context, io.Writer) (int, error)
+	FinishFunc func() error
 }
 
 func (m *MockEngine) Init(ctx context.Context) (bool, error) {
@@ -21,8 +21,8 @@ func (m *MockEngine) Exec(ctx context.Context, input []byte) (bool, error) {
 	return m.ExecFunc(ctx, input)
 }
 
-func (m *MockEngine) WriteResult(ctx context.Context, w io.Writer) (int, error) {
-	return m.WriteResultFunc(ctx, w)
+func (m *MockEngine) Flush(ctx context.Context, w io.Writer) (int, error) {
+	return m.FlushFunc(ctx, w)
 }
 
 func (m *MockEngine) Finish() error {