[rs.pect]

My example:
Top:

pawn Код:

#define GATE_PASSWORD "mypassword"

Command:

pawn Код:

CMD:gate(playerid, params[])
{
    if(params[0] == '\1' && params[1] == '\0')
        SendClientMessage(playerid, 0xFF0000FF, "Write: /gate [password].");
    else if(strcmp(params, GATE_PASSWORD, false))
        SendClientMessage(playerid, 0xFF0000FF, "Password is incorrect.");
    else
    {
        //write here MoveObject
    }
    return 1;
}