@sona: i don't want to rush in here, but if u want to change FLHook features, u will need to know how to write software with C++ programming language. for a start, there is the FLHook Coder Forum to look at. the source code to start with and making ur changes can be downloaded here. i myself have not checked if such an engine effect can be "suppressed". it might depend on that event being able to be captured...