I'll try but normally .mp3 files are played with code like this:WhiteFang, try using .wav format
client_cmd(id, "mp3 play ^"sound/skullcg/test.mp3^"")
#include <amxmodx>
#include <amxmisc>
#include <reapi>
#define PLUGIN "New Plug-In"
#define VERSION "1.0"
#define AUTHOR "Mohsin"
#define SOUND "knife_thullu.mp3"
public plugin_init()
{
register_plugin(PLUGIN, VERSION, AUTHOR)
register_clcmd("say /test", "test")
}
public plugin_precache()
{
precache_sound("SOUND")
}
public test(id)
{
emit_sound(id, 0, SOUND, 1.0, 1.0, 0, 100)
}