Key/value pair groups
There are a number of different key/value pair groups, which can be added to a rail to change its appearance and/or extend its functionality:
Logo (RAIL) key/value pair group – defines how brand logos are applied within a rail
Logo (Content) key/value pair group – defines how brand logos are applied to the items within a rail
Android Channels API key/value pair group – serves as a marker indicating that the content for this rail should be sourced dynamically using the Android Channels API
PromotionalBanner key/value pair group – a visually prominent content item intended for promotional purposes
Internal Image key/value pair group – indicates to the client this is a group containing information for an image accessed via the platform’s ImageService
External Image key/value pair group – indicates to the client this is a group containing information for an externally-hosted image accessed via a URL