How to check reference for my keyword

Hi guys,

Let say if i have created 4 functions in a custom keywords and have been widely used in other test cases, anyone know is there any method can i trace back the specific function that had used in which test cases?
Example i have function A,B,C i only want to know function A used in which function. In test case, we can trace it by right click and click reference, but if keyword function is there any way to do it?