"optional": true), you will get options to connect to the correct user in the list or to continue, by pressing Later.
supportEmailshould be set to the organization's support-contact.
optionalproperty is unset or set to false, the user can not continue if the
author-concept is missing or can not be found in the list in the dialog. When it is set to
trueyou get the Later button to proceed as described above.