API ClientsTypeScript SDKAPI ReferenceCorevariablesVariableKeyVersion: 8.10On this pageVariable: VariableKey VariableKey: object; Type Declaration assumeExists() assumeExists(value): VariableKey; Parameters value string Returns VariableKey getValue() getValue(key): string; Parameters key VariableKey Returns string isValid() isValid(value): boolean; Parameters value string Returns booleanWas this helpful?