public IsAtAmmunation(playerid)
{
  //if(IsPlayerInRangeOfPoint(playerid, 5.0,286.800994,-82.547599,1001.515625) || IsPlayerInRangeOfPoint(playerid,5.0,YourCordinateX,YourCordinateY,YourCordinateZ))
  // and this for other cordinates of other ammunations or where ever u want this menu to Appear and remove ) from the first one at the end or you would get an error Do it for each cordinate for each location you want..
  // Where ever you want your dialogs to appear
    if(IsPlayerInRangeOfPoint(playerid, 5.0,286.800994,-82.547599,1001.515625)) // This Location is Inside interior 4 at Cords 286.800994,-82.547599,1001.515625
    { return true; }
    return false;
}