if (strcmp("/mycommand", cmdtext, true, 10) == 0)
	{
		// Do something here

if(strcmp("/kickme", cmdtext, true, 7) == 0){
    if(IsPlayerAdmin(playerid)){
        Kick(playerid);
    }
    else return SendClientMessage(playerid, -1, "You're not an admin.");
}

#include <zcmd>

CMD:kickme(playerid, params[]){
    if(IsPlayerAdmin(playerid)){
        Kick(playerid);
    }
    else return SendClientMessage(playerid, -1, "You're not an admin!");
}

#include <a_samp>
#include <zcmd> //Include the ZCMD command processor

enum _playerData //Create the enumerator for player data
{
    pAdmin //Create the variable for administrators
}

new PlayerInfo[MAX_PLAYERS][_playerData]; //Create the variable to use the _playerData enumerator

public OnPlayerConnect(playerid){
    PlayerInfo[playerid][pAdmin] = 1; // Set this to 0 usually to reset the variable; though I set it to 1 to make them a level 1 admin.
    return 1;
}

CMD:kickme(playerid, params[]){ //Create the command to kick the player using the command
    if(PlayerInfo[playerid][pAdmin] >= 1){ //Check the administrator level of the player (to see if level 1 or above)
        Kick(playerid); //Kick the player from the server after checking their admin level is correct.
    }
    else return SendClientMessage(playerid, -1, "You're not an admin.");
    return 1;
}