Adding a Value Help for a Standard field in Custom Business Object

Hi Members,

I've created a Custom concern entity with modular fields successful it and 1 of the tract needs a worth assistance which is added by Association to Business Object. I tried referring to a blog 

Adding a Value Help for Custom Business Object fie... - SAP Community

But aft pursuing the steps mentioned successful it, the worth assistance is not providing immoderate value.

Could anyone assistance successful explaining connected however to execute this

@Cloud @ABAP