HERE'S THE COMMAND:

COMMAND:invite(playerid, params[])
{
    new victimname[MAX_PLAYER_NAME], leadername[MAX_PLAYER_NAME], id, string[500];
    if(PlayerInfo[playerid][pLeader] >= 1)
    {
    	if (sscanf(params, "u", id)) return SendClientMessage(playerid, COLOR_GRAD2, "KORISTI: (/invite) [id/ime]");
      	if (id == INVALID_PLAYER_ID) return SendClientMessage(playerid, COLOR_RED, "GRESKA: Nema takov igrac!");

		GetPlayerName(id, victimname, sizeof(victimname));
  		GetPlayerName(playerid, leadername, sizeof(leadername));

        format(string, sizeof(string),"\nJas: %s te pokanuvam da rabotis za mene i da bides moj clen.\nDokolku Prifakjas pristisni 'Prifakjam'\nDokolku Odbivas pritisni 'Odbivam'\nDokolku se predomislis pobaraj me na Tel.Broj 1111", leadername);

        ShowPlayerDialog(id, DIALOG_INVITE, DIALOG_STYLE_MSGBOX, "Pokana za clenstvo", string, "Prifakjam","Odbivam");

        format(string, sizeof(string), "%s go pokanuva igracot %s da bide negov clen", leadername, victimname);
        ProxDetector(10.0, playerid, string, COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE);
		return 1;
	}
    else return SendClientMessage(playerid, COLOR_RED, "GRESKA: Ne ste ovlasteni za ovaa komanda!");
}


HERE'S THE DIALOG:

	case DIALOG_INVITE:
 		{
	  		if( response )
	  		{
	    		foreach(new i : Player)
	   			{
	      			if(IsPlayerConnected(i))
					{
	   					if(PlayerInfo[i][pLeader] == 1)
	       				{
	         				PlayerInfo[playerid][pTeam] = 1;
	            			ftext = "PD";
	           				PlayerInfo[playerid][pSkin] = 282;
	              			SetPlayerSkin(playerid, 282);
	       	 			}
	          			else if(PlayerInfo[i][pLeader] == 2)
	          			{
	           				PlayerInfo[playerid][pTeam] = 2;
	              			ftext = "FBI";
	              			PlayerInfo[playerid][pSkin] = 24;
	              			SetPlayerSkin(playerid, 24);
		               	}
	                	else if(PlayerInfo[i][pLeader] == 3)
		                {
	               			PlayerInfo[playerid][pTeam] = 3;
	                 		ftext = "ARM";
	                  		PlayerInfo[playerid][pSkin] = 285;
	                   		SetPlayerSkin(playerid, 285);
		                }
	                	else if(PlayerInfo[i][pLeader] == 4)
		                {
	                		PlayerInfo[playerid][pTeam] = 4;
	                 		ftext = "MD";
	                  		PlayerInfo[playerid][pSkin] = 276;
	                   		SetPlayerSkin(playerid, 276);
		                }
			            else if(PlayerInfo[i][pLeader] == 5)
	              		{
	               			PlayerInfo[playerid][pTeam] = 5;
	                 		ftext = "LCN";
	               			PlayerInfo[playerid][pSkin] = 112;
	                 		SetPlayerSkin(playerid, 112);
	                	}
	                	else if(PlayerInfo[i][pLeader] == 6)
		                {
	                		PlayerInfo[playerid][pTeam] = 6;
	                 		ftext = "Yakuza";
	                  		PlayerInfo[playerid][pSkin] = 121;
	                   		SetPlayerSkin(playerid, 121);
		                }
		                else if(PlayerInfo[i][pLeader] == 7)
		                {
	                		PlayerInfo[playerid][pTeam] = 7;
	                 		ftext = "Vlada";
	                  		PlayerInfo[playerid][pSkin] = 164;
	                   		SetPlayerSkin(playerid, 164);
		                }
	                	else if(PlayerInfo[i][pLeader] == 8)
		                {
	                		PlayerInfo[playerid][pTeam] = 8;
	                 		ftext = "Hitman";
	                  		PlayerInfo[playerid][pSkin] = 20;
		                  	SetPlayerSkin(playerid, 20);
	             		}
	               		else if(PlayerInfo[i][pLeader] == 9)
		                {
	                		PlayerInfo[playerid][pTeam] = 9;
	                 		ftext = "Kanal 1";
	                  		PlayerInfo[playerid][pSkin] = 1;
	                   		SetPlayerSkin(playerid, 1);
		                }
	                	else if(PlayerInfo[i][pLeader] == 10)
		                {
	                		PlayerInfo[playerid][pTeam] = 10;
	                 		ftext = "Taxi";
	                  		PlayerInfo[playerid][pSkin] = 210;
	                   		SetPlayerSkin(playerid, 210);
		                }
	                	else if(PlayerInfo[i][pLeader] == 11)
		                {
	                		PlayerInfo[playerid][pTeam] = 11;
	                 		ftext = "Ballas";
	                  		PlayerInfo[playerid][pSkin] = 103;
	                   		SetPlayerSkin(playerid, 103);
		                }
	                	else if(PlayerInfo[i][pLeader] == 12)
		                {
	                		PlayerInfo[playerid][pTeam] = 12;
	                 		ftext = "LSG";
	                  		PlayerInfo[playerid][pSkin] = 175;
	                   		SetPlayerSkin(playerid, 175);
		                }
		                else if(PlayerInfo[i][pLeader] == 13)
		                {
	                		PlayerInfo[playerid][pTeam] = 13;
	                 		ftext = "GSF";
	                  		PlayerInfo[playerid][pSkin] = 105;
		                  	SetPlayerSkin(playerid, 105);
		                }
		                else if(PlayerInfo[i][pLeader] == 14)
		                {
	                		PlayerInfo[playerid][pTeam] = 14;
	                 		ftext = "FD";
	                  		PlayerInfo[playerid][pSkin] = 277;
	                   		SetPlayerSkin(playerid, 277);
		                }
	                	else if(PlayerInfo[i][pLeader] == 15)
	                	{
	                		PlayerInfo[playerid][pTeam] = 15;
	                 		ftext = "MRD";
	                  		PlayerInfo[playerid][pSkin] = 247;
	                   		SetPlayerSkin(playerid, 247);
		                }
		             	PlayerInfo[playerid][pRank] = 1;
					}
				}
				GetPlayerName(playerid, pname, sizeof(pname));
				format(string, sizeof(string), "Ja prifativte ponudata i sega ste vo %s", ftext);
				SendClientMessage(playerid, COLOR_WHITE, string);
	   			format(string, sizeof(string), "%s ja prifati ponudata za clenstvo.", pname);
	   			ProxDetector(10.0, playerid, string, COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE);
			}
			else if ( !response )
			{
				GetPlayerName(playerid, pname, sizeof(pname));
				SendClientMessage(playerid, COLOR_WHITE,"Ja odbivte ponudata za clenstvo!");
				format(string, sizeof(string), "%s ja odbi ponudata za clenstvo.", pname);
	 			ProxDetector(10.0, playerid, string, COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE);
	   		}
	   		return 1;
		}