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Evaluating Features & Using Variables


This article explains how to use retrieve the Variables of a Feature as well as use their values. For information on setting up a Feature for use, read Variables and Variations and Targeting Users

If there is an error reaching DevCycle, if the requested variable does not exist, OR if the user has not been Targeted for the requested feature, the SDKs will return the default value provided to the SDK in code. In that case, the variable returned from the function will not contain the _id or type fields.

Client-Side SDK Usage

• Javascript SDK

• React SDK


• Android SDK

• React Native SDK

• Flutter SDK

Server-Side SDK Usage

• Node SDK

• C# / .NET Local SDK

• C# / .NET Cloud SDK

• Go SDK

• Python SDK

• Ruby SDK


• Java Local SDK

• Java Cloud SDK