How to Set Feature Flag Rules in Amplitude

Quick summary

Setting feature flag rules in Amplitude Experiment lets you control which users or devices receive a feature by defining targeting conditions, rollout percentages, and variants. This guide walks through the full configuration process — from the Testing section to saving your final rule settings.

Steps

1. Navigate to the Testing section, tap the User/Device IDs and Cohorts tab, then select the targeting value you want to use.
2. Scroll down to the Assignment section, select your preferred user type, and set the desired rollout percentage.
3. Under the Settings section, adjust additional options such as links, tags, deployments, and variants as needed.
4. Click Save in the top-right corner to apply and enable the feature flag rules based on your configuration.