diff --git a/runtime/include/tooling/debug_interface.h b/runtime/include/tooling/debug_interface.h
index 693ecb1..a1bd76d 100644
--- a/runtime/include/tooling/debug_interface.h
+++ b/runtime/include/tooling/debug_interface.h
@@ -490,6 +490,8 @@ public:
 
     virtual std::optional<Error> SetPropertyModificationWatch(PtClass klass, PtProperty property) = 0;
 
+    virtual std::optional<Error> GetThisVariableByFrame(PtThread thread, uint32_t frameDepth, PtValue *value) = 0;
+
     virtual std::optional<Error> ClearPropertyModificationWatch(PtClass klass, PtProperty property) = 0;
 
     // * * * * *
diff --git a/runtime/tooling/debugger.cpp b/runtime/tooling/debugger.cpp
index 11c083d..ecea47f 100644
--- a/runtime/tooling/debugger.cpp
+++ b/runtime/tooling/debugger.cpp
@@ -166,6 +166,11 @@ Expected<panda::Frame::VRegister *, Error> Debugger::GetVRegByPtThread(PtThread
         Error(Error::Type::INVALID_REGISTER, std::string("Invalid register number: ") + std::to_string(regNumber)));
 }
 
+std::optional<Error> Debugger::GetThisVariableByFrame(PtThread thread, uint32_t frameDepth, PtValue *result)
+{
+    return {};
+}
+
 std::optional<Error> Debugger::GetVariable(PtThread thread, uint32_t frameDepth, int32_t regNumber,
                                            PtValue *result) const
 {
@@ -790,11 +795,11 @@ static uint64_t GetVRegValue(const Frame::VRegister &reg)
 }
 
 // NOLINTNEXTLINE(cppcoreguidelines-pro-type-member-init)
-PtDebugFrame::PtDebugFrame(Method *method, const Frame *interpreterFrame) : method_(MethodToPtMethod(method))
+PtDebugFrame::PtDebugFrame(Method *method, const Frame *interpreterFrame)
+    : method_(MethodToPtMethod(method)),
+      method_id_(method->GetFileId()),
+      panda_file_(method->GetPandaFile()->GetFilename())
 {
-    panda_file_ = method->GetPandaFile()->GetFilename();
-    method_id_ = method->GetFileId();
-
     is_interpreter_frame_ = interpreterFrame != nullptr;
     if (!is_interpreter_frame_) {
         return;
diff --git a/runtime/tooling/debugger.h b/runtime/tooling/debugger.h
index 6da67a2..021c165 100644
--- a/runtime/tooling/debugger.h
+++ b/runtime/tooling/debugger.h
@@ -363,6 +363,8 @@ public:
 
     std::optional<Error> ClearPropertyModificationWatch(PtClass klass, PtProperty property) override;
 
+    std::optional<Error> GetThisVariableByFrame(PtThread thread, uint32_t frameDepth, PtValue *result) override;
+
 private:
     Expected<panda::Frame::VRegister *, Error> GetVRegByPtThread(PtThread thread, uint32_t frameDepth,
                                                                  int32_t regNumber) const;