New body content (Text or HTML). If omitted, the existing message body remains unchanged. Must be a dict with both `contentType` ('Text' or 'HTML') and `content` keys set together; omitting `contentType` defaults to plain text and will not render HTML markup.
flagobject
Represents the flag value for a message (input).
senderobject
Recipient with email address for input requests.
is_readboolean
Mark message as read (True) or unread (False). If omitted, read status remains unchanged.
subjectstring
New subject line. If omitted, the existing subject remains unchanged. Provide empty string to clear the subject.
user_idstring
The UPN (User Principal Name) of the user whose mailbox contains the message, or 'me' for the currently authenticated user. This determines whose message is updated.
reply_toarray
Email addresses to use when replying. Updatable only if isDraft = true.
categoriesarray
Categories associated with the message. Provides a list of category labels (e.g., 'Follow Up', 'Customer').
importancestring
New importance level ('low', 'normal', 'high'). If omitted, the existing importance level remains unchanged.
message_idstring
Required
The unique identifier of the email message to be updated. This ID is typically obtained from listing messages or creating/sending a message. URL-encoded IDs are automatically decoded before use.
cc_recipientsarray
List of CC recipients; replaces all existing CCs. Omitting this field preserves existing CC recipients. Provide an empty list to clear all CC recipients.
Observable output
data
Required
Data from the action execution
errorstring
Error if any occurred during the execution of the action
successfulboolean
Required
Whether or not the action execution was successful or not