# TalonOne::LoyaltyMembership ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **joined** | **DateTime** | The moment in which the loyalty program was joined. | [optional] **loyalty_program_id** | **Integer** | The ID of the loyalty program belonging to this entity. | ## Code Sample ```ruby require 'TalonOne' instance = TalonOne::LoyaltyMembership.new(joined: null, loyalty_program_id: null) ```