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For sections with condition that are met their text value content is added to the message body.
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hasPassword - shared link is secured with password,
allowExternalUsers - 'Selected Users' are added on share,
hasRegistrationUrl - 'Selected Users' are added on share,
hasExpiration - expiration date is set on share,
allowAddCommentsAndAttachments - both ‘View comments' and 'View attachments’ options are checked,
allowAddAttachments - only 'View attachments’ options is option checked,
allowAddComments - only 'View comments’ options is option checked.
You can use markdown to modify Content value, more informations about that could be find here.
Template field allows you to change html template of send email message.
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