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First log in as administrator and go to “Manage apps” (1). Then go to Docusign Credentials (2). After that go to DocuSign and get API Account ID (3), Integration Key (4), Secret Key (5), you can check how to get it here: Get API Account ID, Integration Key, Secret Key DocuSign initial setup
Once you obtain API Account ID (3), Integration Key (4), Secret Key (5) from DocuSign fill it as marked on below screenshot and press “Save”:
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