Interpreting template hierarchy, template, and rails responses

Overview

A client application needs to read the responses it receives from Content Delivery and render each screen and the rails that it contains according to the contents of the responses.

This section explains:

• The structure of the template hierarchy, template, and rail responses

• The fields that are returned and how this affects what the client should display and how it should render it

It lays out the rails functionality that is expected to be supported by an OpenTV ENTera partner client application.

Handling the responses

See the following pages for explanations of how to handle the responses of the three different types of request:

• ​Template hierarchy responses

• Template responses

• Rail reponses