Can be used to hook into other systems or data sources. Newsletter Studio will use the providers to fetch the needed information about the receivers. All current subscriptions options (Newsletter Studios native mailing list and Umbraco members) are build with providers and it's easy to implement you own.

Subscription -providers

As you can see the subscription providers make is possible to connect to any source, you could for example create a mailing list for all customers in the e-commerce that hasn't placed any others the past 4 months and the send them an offer. These filters are configured inside your custom subscription provider, or if you need multiple your subscription providers.
 

How to implement

To create your own subscription provider you need to create a new class that inherits the abstract class NewsletterStudio.Bll.Providers.SubscriptionProviderBase.
This class contains some properties and methods that you must override:

 
Newsletter _tree


​When you have created your provider, build it, put the dll in the bin-folder and add the right assembly information to /config/newsletterstudio.config.



One thing to notice is that the provider will not generate a new mailing list in the application tree, it will only add new options to the dropdown lists when sending the newsletter.




Newsletter _send _out

For examples and inspiration, have a look at the Newsletter Studio Contrib-project at GitHub:  https://github.com/enkelmedia/NewsletterStudioContrib

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