VIM custom function definition / location

Question

I have problem with basic VIM function:(I tried googling and cannot find the answer)

1. How can I list all custom function.(I did :function and cannot find my custom function)
2. How can I get the definition of the function in the custom function list (or where they are stored).

Thank you for your help

Answer 1

Suppose your function is called MyFunction, then the following works for me:

:verbose function My<tab>

(for <tab> I mean actually press tab)

if your function is loaded in vim it should show up there and you can see where it was defined.