[enjoi.]

szPlayerName

?

[MyPc]

PHP Code:

#include < amxmodx >
#include < amxmisc >
#include < colorchat >

public plugin_init( )
{
    register_clcmd( "+adminslay", "slay_by_aim", ADMIN_BAN );
}

public slay_by_aim( id )
{
    new player, body;
    new admin_name[ 32 ], user_name[ 32 ];
    if( get_user_flags( id ) & ADMIN_BAN )
    {
        get_user_aiming( id, player, body );
        if( get_user_flags( player ) & ADMIN_IMMUNITY )
        {
            ColorChat( id, GREEN, "You can slay a player with Immunity!" );
            return PLUGIN_HANDLED;
        }
        else
        {
            if( is_user_alive( player ) )
            {
                get_user_name( id, admin_name, 31 ), get_user_name( player, user_name, 31 );
                user_kill( player );
                ColorChat( player, GREY, "You have been slayed by %s", admin_name );
                ColorChat( id, TEAM_COLOR, "You just slayed %s", user_name );
            }
        }
    }
    return PLUGIN_HANDLED;
} 


By the way in your code you forgot "#include < colorchat >" ..