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Features Overview

What Are Features?​

Features are full-screen React Native experiences that run inside the Candescent mobile banking host application. They use the CDX (Candescent Developer Experience) extensibility SDK for platform integration (user context, branding, HTTP calls).

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Features are currently supported on mobile, with web support planned.

Unlike widgets — which are embedded components on the home screen — a feature gets its own navigation surface:

  • A dedicated bottom tab, or
  • An entry in the More menu that opens a full-screen experience

Features are distributed as npm packages, built with tsup, and tested locally using an Expo-based sandbox app.

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Features and widgets share the same CDX Extensibility SDK: @cdx-extensions/di-sdk, @cdx-extensions/di-sdk-types, and the mobile harness @cdx-extensions/di-sdk-mobile. Your feature always imports from @cdx-extensions/di-sdk — the SDK selects the correct platform implementation at runtime. For the full package breakdown, see SDK Reference.

Template Repository​

The CDX Extensibility Apps monorepo is the starter kit for building features. It uses Nx as the build system and npm as the package manager.

Bash
git clone https://github.com/candescent-dev/cdx-extensibility-apps.git
cd cdx-extensibility-apps
npm install

Reference Features​

The repo includes feature starters (for example, Agent Chat) that demonstrate full-screen navigation, SDK hooks, and sandbox More-menu integration. Use them as a starting point when building your own feature.

Next Steps​