# Feature Discovery support in No-Code AI Apps
URL: https://docs.datarobot.com/en/docs/classic-ui/app-builder/app-preview/app-ft-cache.html

> Create No-Code AI Apps from Feature Discovery projects.

# Feature Discovery support in No-Code AI Apps

> [!NOTE] Availability information
> Feature Discovery support in No-Code AI Apps is off by default. Contact your DataRobot representative or administrator for information on enabling the feature.
> 
> Feature flag: Enable Feature Cache for Feature Discovery

You can create No-Code AI Apps from Feature Discovery projects (i.e., projects built with multiple datasets) with [feature cache](https://docs.datarobot.com/en/docs/classic-ui/mlops/mlops-preview/safer-ft-cache.html) enabled. Feature cache instructs DataRobot to source data from multiple datasets and generate new features in advance, storing this information in a "cache," which is then drawn from to make predictions.

Before [creating an application](https://docs.datarobot.com/en/docs/classic-ui/app-builder/create-app.html), ensure the deployment has feature cache enabled in the deployment's Settings tab if the project contains multiple datasets.

Once created, you can [use the app](https://docs.datarobot.com/en/docs/classic-ui/app-builder/use-apps/index.html) to build simulations and charts, run optimizations, and create what-if scenarios.

## Feature considerations

Consider the following when enabling Feature Discovery support for No-Code AI Apps:

- Postgres DB must be installed for feature cache to work properly.
- Feature cache must be enabled to make single record predictions.
- Feature cache only caches features for the most recent period.
- You can only create apps that support Feature Discovery from deployed models. This feature is not supported by apps created from the Leaderboard.

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