Hi,
ve created a module with a menu i put in the module planning and when i create a resource, i can see that resource in the planning module. 

This is my menu and resource : 

And this is my resource in the planning module :

My code for this : 



Now i need your help, i would like to override some functions for write and unlink my object, and it will impact my linked object, but no idea how to do that,

Can someone could help me please ?