One of Unleash’s most requested Enterprise features is now available to all users. You spoke, we listened: Available now, all open-source users of who upgrade to version 4.16 will get access to and . Unleash strategy constraints custom context fields Add strategy constraints to your Unleash today GET STARTED UPGRADE NOW What are Strategy Constraints? Strategy constraints give you granular control over who gets to see a specific feature by adding preconditions to one of your activation strategies. You can add preconditions for any Unleash context field. As of version 4.16, Unleash supports , fine-tuned for a number of use cases. 15 different constraint operators https://www.youtube.com/watch?v=kqtqMFhLRBE?embedable=true Here’s an example: A gradual rollout strategy could target 50% of a user base. But what if you want to only target users with a company email? For that, you’ll need strategy constraints. Quickly schedule feature releases and feature availability windows. Target feature rollout to users based on variables like region or email address domain. Generate user demand with time-limited feature releases. There are a ton of ways to use strategy constraints, and this is only scratching the surface. Any strategy on any feature can have as many strategy constraints as you want. Note that when a strategy is evaluated, all strategy constraints must be met for the strategy to pass. You’ll find that, in most cases, strategy constraints replace the need for . This means that you no longer need to define custom strategies, then implement them across your SDKs. custom activation strategies How Do I Use Strategy Constraints? Note: Before creating strategy constraints, you’ll need to set up a in Unleash, then give it an . feature toggle activation strategy Open the Strategy Constraints Menu Find and select the button on the strategy you are working with. edit strategy Click the button to open the constraints menu. add constraint Add and Configure the Constraint From the dropdown, select the context field you would like to constrain the strategy on. Choose a constraint operator. Context Field Define the values to use for this constraint. The operator you select determines whether you can define one or multiple values and what format they can have. Save the , then save the . constraint strategy If you want to update an existing constraint, find the constraint in the screen and use the constraint's button. edit strategy edit Because strategy constraints use Unleash context fields, make sure you pass the relevant context to your . Read more in the section of our . client SDK SDK strategy constraints documentation Strategy Constraints are Available Today to All Version 4.16 Open source Users While strategy constraints are now free to all users, you won’t have access to the feature unless you upgrade to version 4.16. For users with versions 4.0 and above, you can grab the latest version from the Docker hub. Users of earlier versions should reference our before upgrading. migration guide Feel free to play around first! Try out our to get a quick taste of what strategy constraints can do. demo instance In the mood to dig around? Visit to check out the strategy constraints source code. Unleash on GitHub Want to Try Out Strategy Constraints? GET STARTED UPGRADE NOW

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