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How to add strategy constraints


Strategy constraints are available to Unleash Pro and Enterprise users.

This guide shows you how to add strategy constraints to your feature toggles via the admin UI. For information on how to interact with strategy constraints from an Unleash client SDK, visit the specific SDKs documentation or see the relevant section in the strategy constraints documentation.


You'll need to have an existing feature toggle with a defined strategy to add a constraint. The rest of this guide assumes you have a specific strategy that you're working with.

Step 1: Open the constraints menu

Every strategy will have button labeled "add constraints" when viewed in the admin UI. Interact with this to open the constraints menu.

A feature toggle strategy view showing a button labeled with add constraints.

Step 2: Configure the constraint

Refer to the constraint structure section of the strategy constraints reference for a thorough explanation of the fields.

From the "Context Field" dropdown, select the context field you would like to constrain the strategy on.

A strategy constraint form with a constraint set to "region". The "values" input is a dropdown menu containing the options "Africa", "Asia", "Europe", and "North America", as defined in the preceding paragraph.

Step 3: Add additional constraints

To add additional constraints:

  1. Repeat step one to open the constraints menu.

  2. Use the "Add constraint" button to add a new constraint.

    The add constraint modal menu with an existing constraint. There is a button labeled "add constraint" that is being highlighted by an arrow.

  3. Follow step two for the new constraint.

How to update existing constraints

You can update any existing constraint by doing one of the following:

  • Open the "add constraints" menu and modify existing constraints.
  • Using the constraint's "edit" button to bring up the constraints menu.