=== Subscription Relation ===
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<br>- A Subscription with relationship "defines" means that the user holding that subscription, holds that Commercial Offer. If the user has more than one Subscription with relationship "defines", the User's Commercial Offer is the last one linked to the user.<br>- A Subscription with relationship "belongs" means that all the contents within that subscription belong to the Commercial Offer.<br>- A Subscription can have several "belongs" relationships.<br>- A Subscription can have only 1 "defines" relationship.<br><br/>
[[File:SubscriptionRelationBlock.png|1000px|center|thumb|Subscription Relation Block]]
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'''Add new subscription relation'''