[Konstantinos]

pawn Код:

IsAtNameChange(playerid, interiorid, virtual_world)
{
    return IsPlayerInRangeOfPoint(playerid, 3.0, 1488.7249 ,-1771.5569, 18.7958) && GetPlayerInterior(playerid) == interiorid && GetPlayerVirtualWorld(playerid) == virtual_world;
}

Example:

pawn Код:

if (IsAtNameChange(playerid, 0, 1))

If player is in range and their interior is 0 and virtual world is 1, do something.