NotificationReader reader = new NotificationReader(aTextMessage);
String emailAddress =
reader.eventStringValue(
"contactInformation.emailAddress.address");
String tenantId = reader.eventStringValue("tenantId.id");
String username = reader.eventStringValue("username");
Date occurredOn = reader.occurredOn();
this.teamApplicationService().changeTeamMemberEmailAddress(
new ChangeTeamMemberEmailAddressCommand(