onIssueUpdated property

Stream<String> get onIssueUpdated

This is fired whenever the outstanding issue/error message changes. |issueMessage| is empty if there is no issue.

Implementation

Stream<String> get onIssueUpdated => _client.onEvent
    .where((event) => event.name == 'Cast.issueUpdated')
    .map((event) => event.parameters['issueMessage'] as String);