[TUT] VIP Extra Items / ZM Class ( 1.7.2 )

So It took me months to learn these things that now you can learn in no more than 100 Seconds. Many questions are asked about VIP Extra Items and ZM Classes. Here's a Tutorial Hope it helps, even though it's been shared on AlliedModders It still might come handy to some Users of this Forum.
Note : This Method Is for VIP Version 1.7.2 By Aarnas.

First Of All To Make A VIP Extra Item Add #include <zmvip> On the code , Like this.


#include <amxmodx>
#include <engine>
#include <fakemeta>
#include <fun>
#include <hamsandwich>
#include <xs>
#include <cstrike>
#include <zombieplague>
#include <zmvip>

2nd Step ) Find "zp_register_extra_item" (without quotation marks) in the code and change it to "zv_register_extra_item" 

3rd Step ) Below zp_register_extra_item there's "ZP_TEAM_HUMAN" change it to "ZV_TEAM_HUMAN"

4th Step ) Slide down and find "public zp_extra_item_selected(id, itemid)" change it to "public zv_extra_item_selected(id, itemid)"

5th Step ) Compile it locally/web and YOU'RE DONE. Note : You Need zmvip.inc In Your INC Folder Of Compiling , Here's it 

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Now About ZM Classes.
1st Step ) Add #include <zmvip> in the code just like we did before.
2nd Step ) Find zp_register_zombie_class and before that it's Like "g_deimos = zp_register_zombie_class" but It won't be g_deimos , will be different.
3rd Step ) Add this code at the end of Plugin : and replace that g_deimos with the Code You Found near zp_register_zombie_class
public zp_user_infected_pre(id) {

   if(zv_get_user_flags(id) == 0) {

       if(zp_get_user_next_class(id) == g_deimos) {

           zp_set_user_zombie_class(id, 0)

           client_print(id, print_center, "Your selected class in only for *VIP* members")

           client_print(id, print_chat, "Your selected class in only for *VIP* members. Changed to default zombie class.")

       }

   }

}

Hope It Helps!