> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/feature-flags/readme.md).

# Feature Flags Documentation

Get started with Harness Feature Flags and explore its capabilities.

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**Harness Feature Flags (FF) is deprecated**

Migrate to Harness Feature Management and Experimentation (FME). Free plan customers must migrate by **December 31, 2026**. Paid plan customers must migrate by **April 30, 2027**, unless they secure an exception. Contact your Customer Success Manager to discuss an exception.

<a href="/feature-flags/new-to-feature-flags/migrate-to-fme.md" class="button primary" data-icon="arrow-right">Read the migration guide</a>
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This documentation is for Harness Feature Flags (FF), which is deprecated. FME documentation covers Feature Management, Release Monitoring, Cloud Experimentation, Warehouse Native Experimentation, and Harness AI. If you use FME, go to the FME documentation for feature and SDK updates.

<a href="https://github.com/harness/harness-developer-hub/tree/main/feature-management-experimentation/new-to-fme/get-started/README.md" class="button primary" data-icon="arrow-right">Go to FME Docs</a>
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Harness Feature Flags (FF) is a feature management solution that lets you change your software functionality without deploying code. It lets you hide code or behavior without shipping new software versions. A feature flag is like a powerful *if* statement.

<figure><img src="https://3868793495-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8hMqy7cgSxMJvSqtZuUT%2Fuploads%2Fgit-blob-73dc044adfd37316728e447f67db27afde593691%2Fimage.png?alt=media" alt=""><figcaption></figcaption></figure>

### Get started with the basics

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Get started with Feature Flags</strong></td><td>Learn the basics of Harness Feature Flags.</td><td><a href="/feature-flags/new-to-feature-flags/get-started/onboarding-guide.md">Onboarding Guide</a></td></tr><tr><td><strong>Create, update, and view Flags</strong></td><td>Learn how to create different types of flags, edit them, and enable them.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-creating-flag.md">Create, Update, &amp; View Flags</a></td></tr><tr><td><strong>Use Feature Flag SDKs</strong></td><td>Choose the right SDK for your application from our numerous client and server SDKs, and then configure it to monitor your flags.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-sdks.md">Use FF SDKs</a></td></tr></tbody></table>

### Manage your flags

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Manage target users and groups</strong></td><td>Control which users or groups see which variation of a flag.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-target-management.md">Manage Target Users &amp; Groups</a></td></tr><tr><td><strong>Add a prerequisite to a flag</strong></td><td>Add a flag as dependency to another flag.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-creating-flag/add-prerequisites-to-feature-flag.md">Add a Prerequisite to a Flag</a></td></tr><tr><td><strong>Manage flags using Git Experience</strong></td><td>Manage flags using a YAML file in your Git repository.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-creating-flag/manage-featureflags-in-git-repos.md">Manage flags with Git</a></td></tr><tr><td><strong>Integrate flags with Jira</strong></td><td>Link flags to Jira issues so you and your team can easily see the associations, jump to creating a flag from a jira ticket, and see a list of jira tickets linked to a flag.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-creating-flag/integrate-feature-flag-with-jira.md">Integrate Flags with Jira</a></td></tr><tr><td><strong>Get data on your flags</strong></td><td>View activities and analytics for flags, and track anonymous and monthly active users (MAUs).</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-data.md">Get Data on Your Flags</a></td></tr></tbody></table>

### Explore other features

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Connect flags to monitored services</strong></td><td>When you connect Feature Flags to monitored services you can be notified when there are service issues related to flag changes.</td><td><a href="/feature-flags/use-feature-flags/use-ff/connect-monitored-service.md">Connect Flags to Monitored Services</a></td></tr><tr><td><strong>Use pipelines with Feature Flags</strong></td><td>Use pipelines to combine a flag with other actions like adding Jira issues, creating notifications, and adding approvals.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-build-pipeline.md">Use Pipelines with FF</a></td></tr><tr><td><strong>Use the Harness Relay Proxy</strong></td><td>The relay proxy lets your app connect directly to Feature Flag services without having to make a significant number of outbound connections.</td><td><a href="/feature-flags/use-feature-flags/use-ff/relay-proxy.md">Use the Relay Proxy with FF</a></td></tr><tr><td><strong>Add policies for a flag</strong></td><td>This topic gives you an overview of Harness Policy Engine and includes an example for how to add a policy for a flag.</td><td><a href="/feature-flags/use-feature-flags/use-ff/ff-build-pipeline.md">Use Pipelines with FF</a></td></tr></tbody></table>

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