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5. Next, store the Secret and the Unique identifier from Zendesk in a safe place (we will use these back on the Zilla site).
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Zendesk changed oauth client setup and force public type of client to use PKCE challenge. At the moment, this API integration does not support PKCE challenge, change the configuration from Public (default) to Confidential before moving to next step.
Set up Zendesk Application Integration on Zilla
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