generic.md

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Enumerated and constant values	docs	label url Dialect and vocabulary declaration /understanding-json-schema/reference/schema	label url Enumerated values /understanding-json-schema/reference/enum

The enum and const keywords contribute to data validation by defining limits on the values a property can hold.

• Define a set of values. Use the enum keyword to specify a finite set of acceptable values for a property. This ensures that only predefined options are valid.

• Define a fixed, single value. Use the const keyword to force a property to have a single, fixed value. This keyword is more restrictive than enum.

Learn more about how to use these keywords with the following resources:

• Enumerated values
• Constant values

By effectively utilizing these keywords, you can significantly enhance the reliability and accuracy of your JSON data.