@OohaK021 In Pega 8.1.1, since the PATCH method is not supported for REST Connectors, you can try using a custom Java step in an activity to make the PATCH request. You can use Java's HttpURLConnection or a third-party library like Apache HttpClient to create and send the PATCH request. This approach allows you to bypass the limitations of the REST Connector in your Pega version and manually handle the PATCH request and response.
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