Manage config (datafile)

1 min

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 datafileLearn 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 webhookswebhooks to fetch the latest datafile when your project configuration changes.

Custom method – Fetch the datafile directly using the Optimizely CDN link. See Get the datafileGet 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 implementationsMultiple SDK implementations.

Network availability

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