[Help]how add pain sound to zombie class??

i tried use this tutorial:https://amxmodx-es.com/Thread-TUT-Zombie-Plague-Colocar-sonidos-custom-death-y-pain but i cant do it for a error, i use zp 5.0.8 and advance.

Someone know tutorial??

/*

[ZP] Class : Assassin Zombie

(Powerful zombie class)

by Fry!


Description :



This is one of powerful zombies. Cuz now you can chose between infect and kill humans.

Press +Attack2 to kill people.



Changelog :



28/12/2009 - v1.0 - Public release

*/



#include <amxmodx>

#include <cstrike>

#include <fakemeta>

#include <hamsandwich>

#include <zombieplague>

#include <fakemeta>

#define PLUGIN "[ZP] Class : Assassin Zombie"

#define VERSION "1.0"

#define AUTHOR "Fry!"


new const zclass_name[] = "Assassin Zombie"

new const zclass_info[] = "HP+++ Speed++ Knockback++"

new const zclass_model[] = "zombie_source"

new const zclass_clawmodel[] = "v_knife_zombie.mdl"

const zclass_health = 2430

const zclass_speed = 220

const Float:zclass_gravity = 1.0

const Float:zclass_knockback = 1.55

new g_msgScoreAttrib

new g_zclass_assassin

new const g_zombie_pain_snd[][] =

{

"zombie_plague/096/Scream.wav"



}


new const g_zombie_death_snd[][] =

{

"zombie_plague/custom/die1.wav",

"zombie_plague/custom/die2.wav",

"zombie_plague/custom/die3.wav"

}

public plugin_init()

{

register_plugin(PLUGIN, VERSION, AUTHOR)



register_cvar("zp_zclass_assassin_zombie",VERSION,FCVAR_SERVER|FCVAR_EXTDLL|FCVAR_UNLOGGED|FCVAR_SPONLY)



g_msgScoreAttrib = get_user_msgid("ScoreAttrib")



RegisterHam(Ham_TakeDamage, "player", "fw_PlayerTakeDamage")

new i;

for(i = 0; i < sizeof g_zombie_pain_snd; i++) precache_sound(g_zombie_pain_snd);

for(i = 0; i < sizeof g_zombie_death_snd; i++) precache_sound(g_zombie_death_snd);

}

public plugin_precache()

{

g_zclass_assassin = zp_register_zombie_class(zclass_name, zclass_info, zclass_model, zclass_clawmodel, zclass_health, zclass_speed, zclass_gravity, zclass_knockback)

}


public zp_user_infected_post(player, infector)

{

if (zp_get_user_zombie_class(player) == g_zclass_assassin)

{

client_print(player, print_chat, "[ZP] You are now Assassin Zombie")

client_print(player, print_chat, "[ZP] You can chose between infect and kill people")

}

}


public zp_user_infect_attempt(victim, infector, nemesis)

{

if (zp_get_user_zombie_class(infector) == g_zclass_assassin)

{

new button = pev(infector, pev_button)



if (button & IN_ATTACK2)

{

ExecuteHamB(Ham_Killed, victim, infector, 0)



}

else

return PLUGIN_CONTINUE


return ZP_PLUGIN_HANDLED

}

return PLUGIN_CONTINUE
}



public fw_PlayerTakeDamage(id, inflictor, attacker, Float:damage, damage_type)

{

if (!is_user_alive(id) || !is_user_bot(id) || !zp_get_user_zombie(id))

return HAM_IGNORED



if (zp_get_user_zombie_class(id) != g_zclass_assassin)

return HAM_IGNORED



new attacker_name[32]

new button = pev(attacker, pev_button)

new GetMaxPlayers = get_maxplayers()

new GetHumanCount = zp_get_human_count()



get_user_name(attacker, attacker_name, 31)



if (!zp_is_swarm_round() || !zp_is_plague_round() || !zp_is_survivor_round() || !zp_is_nemesis_round() || GetHumanCount == GetMaxPlayers)

{

if (button & IN_ATTACK2)

{

if (zp_get_user_zombie_class(attacker) == g_zclass_assassin)

{

FixDeadAttrib(id)

UpdateScoreBoard(id, attacker)

client_print(id, print_chat, "[ZP] Hmm looks like %s didn't like you and decided to kill You!", attacker_name)



return HAM_SUPERCEDE

}

}

}



return HAM_SUPERCEDE

}



public FixDeadAttrib(id)

{

message_begin(MSG_BROADCAST, g_msgScoreAttrib)

write_byte(id)

write_byte(DEAD_DYING)

message_end()

}



public UpdateScoreBoard(victim, attacker)

{

new victim_frags = get_user_frags(victim) + 0

new attacker_frags = get_user_frags(attacker) + 1

new attacker_money = cs_get_user_money(attacker) + 0



set_pev(victim, pev_frags, float(victim_frags))

set_pev(attacker, pev_frags, float(attacker_frags))

cs_set_user_money(attacker, attacker_money, 1)

}


public fm_emitsound(id, channel, const sample[], Float:volume, Float:attn, flags, pitch)

{

if (!zp_get_user_zombie(id) || zp_get_user_nemesis(id) || zp_get_user_survivor(id) || zp_get_user_zombie_class(id) != g_zclass_assassin)

return FMRES_IGNORED;



if((sample[7] == 'b' && sample[8] == 'h' && sample[9] == 'i' && sample[10] == 't') || (sample[7] == 'h' && sample[8] == 'e' && sample[9] == 'a' && sample[10] == 'd'))

{

emit_sound(id, channel, g_zombie_pain_snd[random(sizeof(g_zombie_pain_snd))], volume, attn, flags, pitch)

return FMRES_SUPERCEDE;

}



if(sample[7] == 'd' && ((sample[8] == 'i' && sample[9] == 'e') || (sample[8] == 'e' && sample[9] == 'a')))

{

emit_sound( id, channel, g_zombie_death_snd[random(sizeof(g_zombie_death_snd))], volume, attn, flags, pitch)

return FMRES_SUPERCEDE;

}



return FMRES_IGNORED;

}