Overview
The Guest account is an optional user account that can get non-portal users, such as an outside vendor, to engage in a Flow.
If a Form is assigned to the Guest account, no login page will come up when the assignee goes to process it. Typically, an email containing a link is sent to the user to invite him/her to process a task. The process will know that the task is associated with the Guest account and automatically relies on that account's credential information.
Example
In this example, a guest user is emailed a link to a Flow to fill in a Form. Two Flows will be built: one that contains the Form and one that serves as a "start" Flow for the Form that sends the email containing a link to the Form.
On Step Run Flow
- In a Designer Folder, select CREATE FLOW.
 - In the Flow Designer, navigate to the Properties panel.
 - Under SETTINGS, change the Behavior Type to Form Assignment Handler Flow.

 - Select the outcome path of the Start step to open the Add After dialog.
 - Choose the Send Email step and select ADD.
 - Connect the outcome path of the Send Email step to the End step.

 - Select the Send Email step, navigate to the Properties panel.
 - Configure the From and To address information as constants.
 - Configure the Subject as a constant.
 - Change the mapping type of Body to Merge Plain Text. Select SHOW EDITOR.

 - In the Merge Text Editor, type a message for the body of the email.
 - Add the Form_AssignmentURL to the body of the email.
 - Save and close the Flow Designer.

 
Assigned Form Flow
- In a Designer Folder, select CREATE FLOW.
 - Select the outcome path of the Start step to open the Add After dialog.
 - Choose the Show Form step and select ADD. With the Show Form step selected, create a new Form.
 - In the Form Designer, add Labels and Textboxes for First Name, Last Name, Phone Number, and Feedback. Add a Button for the Guest to Submit the Form.
 - Save and close the Form Designer. 

 - Back in the Flow Designer, select the Show Form step.
 - In the Properties panel, change Assignment > Assignment Type to "AssignedToGuest".
 - Give the Form an Assignment Name.

 - Expand On Step Run.
 - Under Step Start Flow Type, select SharedFlow in the drop-down menu.
 - Select PICK FLOW TO RUN. Select the Flow that was created in the On Step Run Flow section of this article.
 

Debug
- Select Debug in the top action panel of the Flow Designer.
 - The Flow sends the email to the designated receiver in the Send Email step. Check for the Email in the inbox.
 - Select the link provided in the email. This link was created when adding the Form_AssignmentURL to the body of the email. The portal loads, and the Form is presented without requiring the Guest account to log in.
 - The guest will fill the Form out and select Submit. The Flow completes with no errors.
