Add Search Help tab in IE03/02

Hi Expert,

I want to add a new  tab in IE02/03 Search help.which have input like Serial no,Material no and Customer no and output is Equipment no.

So how can i do it and which exit i have to use for this.i have create one function module which is giving me this reault but how to add/use this Funcion module to Search help.

Thanks,

Mahipalsinh.