// Put your "OnButtonClicked" stuff here
    FText DialogText = FText::Format(
                            LOCTEXT("PluginButtonDialogText", "Add code to {0} in {1} to override this button's actions"),
                            FText::FromString(TEXT("FTestButtonModule::PluginButtonClicked()")),
                            FText::FromString(TEXT("TestButton.cpp"))
                       );
    FMessageDialog::Open(EAppMsgType::Ok, DialogText);