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#ask-questions
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# ask-questions
r

ripe-dinner-7830

12/11/2023, 9:49 AM
hello! is the feature key the same as the experiment ID when tracking experiment views? 🙂
we're resolving all experiments, features and values in CDN and pass them down as headers, so when they bounce back to the client we need to push them as viewed via gtm which requires the experiment ID
r

rhythmic-agent-34208

12/11/2023, 9:00 PM
The experiment key, often referred to as the "tracking key" in the context of GrowthBook, is used to identify experiments in the SDK. It is part of the configuration when setting up feature flag experiments. The tracking key can be set when you are creating or configuring an experiment rule in the GrowthBook UI. By default, the tracking key is the same as the feature name, but it can be any string you choose. Docs on tracking keys: https://docs.growthbook.io/feature-flag-experiments#running-experiments-with-feature-flags
Feature keys are different and correspond to a feature directly. https://docs.growthbook.io/features/basics#feature-keys
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