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Functions lab: Throw a meaningful exception when the vision API request fails. #191

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Functions lab: Throw a meaningful exception when the vision API request fails. #191

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4 changes: 4 additions & 0 deletions Content/Functions/Azure Functions HOL (C#).md
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Expand Up @@ -171,6 +171,10 @@ Once you have created an Azure Function App, you can add Azure Functions to it.

var endpoint = ConfigurationManager.AppSettings["VisionEndpoint"];
var results = await client.PostAsync(endpoint + "/analyze?visualFeatures=Adult", payload);
if (!results.IsSuccessStatusCode) {
throw new Exception(String.Format("Vision API request failed with status {0}, response: {1}",
results.StatusCode, await results.Content.ReadAsStringAsync()));
}
var result = await results.Content.ReadAsAsync<ImageAnalysisInfo>();
return result;
}
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