This period allow to specify the start and end date of the product The nominal price of the product including a currency and an amount of money express in that currency. The nominal price is optional, but if present both currency and amount are required. The base amount of money to pay to get access to the content sold by this product. The currency in which the price is defined for this product. It is a free string but it is recommended to use the ISO 4217 currency code. The period of time during which the product can be purchased by the end-user. If the purchase period is not provided, the system will assume the product can be purchased without time restriction.If the purchase start is not provided, the system will assume the product can be purchased without start time restriction.If the purchase end is not provided, the system will assume the product can be purchased without end time restriction. The rights that could apply to consume this offer If true the product can be purchased by the end-user through the client application or can be entitled by the operator. If false the product can only be entitled by the opertor. If the value is not provided, every system will assume the value as false. The amount of time during which the content sold by this product can be accessed after the start of the license (the start can be at purchase time in absolute mode or at first viewing time in relative mode). This applies only for transactional products. The format is based on ISO 8601 with restricted allowed pattern: PnDTnHnMnS. Must be positive. The amount of time after purchase during which initial access to the content sold by this product can be attempted, then the rentalDuration applies. When set this indicates Relative Mode usage rule calculations should apply. The field value indicates the range within which a relative Product viewing can commence. A license calculation agent determines the final end time of Product viewing based on rental duration and its own configuration. When this value is omitted it means absolute mode. This applies only for transactional products. The format is based on ISO 8601 with restricted allowed pattern: PnDTnHnMnS. Must be positive. Allow a client to download the Content The billing model that applies for subscription products. This element is ignored for other types. The amount of time between two billing. The format is based on ISO 8601 with restricted allowed pattern: PnY or PnM or PnD (but not a mix). Must be positive. The freemium contains the range of date during which the product can be availed for free and when availed the duration for which it can be used for free per account. The freemium should be present when isFreemium is 'true', both start and end dates and validity period are required. The amount of time its free for account. The format is based on ISO 8601 with restricted allowed pattern: PnY or PnM or PnW or PnD (but not a mix). Must be positive. The start of the period of time from which the product can be availed for free. This attribute is mandatory. ISO 8601 format up to the second and using the "Z" GMT time zone indicator. Example: 2012-05-31T06:10:30Z. The end of the period of time till which the product can be availed for free. ISO 8601 format up to the second and using the "Z" GMT time zone indicator. Example: 2012-05-31T06:10:30Z. The type of the product. Freemium boolean flag for the product. When this flag is 'true' freemium object should be present. This attribute is optional when used for creation. It can be updated. Shareable is boolean flag for transactional product.which enhanced to support a mode where any Content associated with a Product can be retailed individually using the terms of a single Product definition isDeleted flag for product enumeration characterizing a product type