API Reference > presentation-common > PresentationRules > ExtendedDataRule > condition condition condition: undefined | string Defines a condition for the rule, which needs to be met in order for it to be used. Condition is an ECExpression, which can use a limited set of symbols. Defined in presentation/common/src/rules/customization/ExtendedDataRule.ts Line 34 Last Updated: 13 June, 2024