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Manage config (datafile)

Describes the datafile, which is a JSON representation of your Optimizely Feature Experimentation project configuration (OptimizelyConfig) in a given environment.

OptimizelyConfig management

The datafile contains all the data needed to deliver and track your flag rules, including your A/B tests and flag deliveries. Learn how to get the datafile.

You have the following options for synchronizing the datafile between your project and your application:

  • Pull method (recommended) – The SDKs automatically poll for the latest datafile at a configurable interval.
  • Push method – Use webhooks to fetch the latest datafile when your project configuration changes.
  • Custom method – Fetch the datafile directly using the Optimizely CDN link. See Get the datafile.

Other important considerations for datafile management include:

  • Caching and persistence (Feature Experimentation mobile SDKs offer datafile offline caching and persistence).
  • Synchronization between SDK instances, see Multiple SDK implementations.
  • Network availability
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Note

To ensure webhook requests originate from Optimizely, secure your webhook using a token in the request header.

Updated 7 days ago

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