IAFloor Class Reference
IAFloor specifies the floor of the building on which the user is located. It is a replacement for CoreLocation’s CLFloor as the interface for that is not open.
Initializes and returns a floor object with the specified level information.
+ (nonnull IAFloor *)floorWithLevel:(NSInteger)level
initializes level value
Floor level values correspond to the floor numbers assigned by the user in the mapping phase.
@property (nonatomic, readonly) NSInteger level
It is erroneous to use the user’s level in a building as an estimate of altitude.