How to use the azure-mgmt-reservations.azure.mgmt.reservations.models.reservation_properties.ReservationProperties function in azure-mgmt-reservations

def __init__(self, **kwargs):
        super(ReservationProperties, self).__init__(**kwargs)
        self.reserved_resource_type = kwargs.get('reserved_resource_type', None)
        self.instance_flexibility = kwargs.get('instance_flexibility', None)
        self.display_name = kwargs.get('display_name', None)
        self.applied_scopes = kwargs.get('applied_scopes', None)
        self.applied_scope_type = kwargs.get('applied_scope_type', None)
        self.quantity = kwargs.get('quantity', None)
        self.provisioning_state = kwargs.get('provisioning_state', None)
        self.effective_date_time = kwargs.get('effective_date_time', None)
        self.last_updated_date_time = None
        self.expiry_date = kwargs.get('expiry_date', None)
        self.sku_description = kwargs.get('sku_description', None)
        self.extended_status_info = kwargs.get('extended_status_info', None)
        self.split_properties = kwargs.get('split_properties', None)
        self.merge_properties = kwargs.get('merge_properties', None)