Flow action

Each run of Send Email with Calendar Event sends one email and one event.

The message

Set To addresses, or a Recipient ID. Set Subject and Body, or an Email Template ID.

Input	When it is required
Event Start	Always.
Subject and Body	When no Email Template ID is set.
Recipient ID	When you use an email template, and when Log Email on Send is true.
Sender Email Address	When Sender Type is an organization-wide address.
Related Record ID	When the message uses merge fields, or you log the email on a record. A Lead recipient cannot be combined with Related Record ID.

The event

Input	When it is blank
Event End	A timed event lasts one hour. An all-day event lasts the start day only.
Event All Day	The event is timed.
Event Time Zone	All-day dates use the UTC date. Timed events are still written in UTC.
Event Summary	Uses the email subject.
Event Description	Uses the plain-text body.
Event Location and Event URL	Left off the calendar file.
Event Method	Publish. See Publish, request, and cancel.
Event Attendee addresses	Used only for Request. Blank uses the To recipients.

Store this output

Output	Use
Success	True when the email is sent.
Error Message	Blank on success.
Event UID	The id inside the calendar file. Store it to cancel later, or pass it to Add to Calendar so a button refers to this same event.