---
title: "Appointment Actor Type"
canonical: "https://wiki.patientsknowbest.com/space/api/3665362945/Appointment%20Actor%20Type"
format: markdown
---
[http://fhir.patientsknowbest.com/structuredefinition/appointment-actor-type](http://fhir.patientsknowbest.com/structuredefinition/appointment-actor-type)

[https://www.hl7.org/fhir/STU3/structuredefinition.html](https://www.hl7.org/fhir/STU3/structuredefinition.html)

## description

Used to indicate the type of a participant within an Appointment resource where the Reference contains only a display information (and so the resource type is not clear) and the version is STU3 (so R4’s Reference.type is unavailable).

A value of “Location” will indicate to PKB that the Location should be used, but otherwise this extension is not needed.

## context

This extension is used by the following resource types:

- Appointment

## type

Extension

## element type

String