/// Initializes object by the attributes: must be called just after the object is created
/// for each attribute of the object
/// \param theID identifier of the attribute that can be referenced by this ID later
/// \param theAttrType type of the created attribute (received from the type method)
/// Initializes object by the attributes: must be called just after the object is created
/// for each attribute of the object
/// \param theID identifier of the attribute that can be referenced by this ID later
/// \param theAttrType type of the created attribute (received from the type method)