The datasink
type is meant to allow a greater flexibility for the end-user. Instead of requiring the user to display data from Facebook, Instagram, Twitter and RSS in different apps, a Data Sink can be linked with any Data Source that provides the required fields.
Data Sources are a new feature of OnSign TV. This type is one of the most complex, because it allows the end user to provide data in a structured table format, either manually inputing data or automatically pulling it from Facebook, Instagram, Twitter, RSS and even another Data Source. Every entry in the Data Source can be edited and moderated by the end user, allowing total control of what is displayed in the app.
It is up to you, the app developer, to specify what kinds of data you are going to display. For instance, a "News App" might require a news title, news body, news image and publication date. But a "Menu Board App" it might only require a menu item name and price. Your task is to specify in the app w