Curl command for Microsoft Cognitive Services product QnA Maker

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This is the curl command to send QnA Maker a question and receive the answer:

curl -H "Content-Type: application/json" -H "Ocp-Apim-Subscription-Key:<subscriptionKey>" -X POST -d '{"question":"<question>"}' https://westus.api.cognitive.microsoft.com/qnamaker/v2.0/knowledgebases/<appID>/generateAnswer

 <subscriptionKey> found on https://www.qnamaker.ai/UserSettings
<appID> found in url when view app, ?kbid=<appID>
<question> question such as "How do I ...?"

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