Updated

Author: wiazur

dotnet/Face/README.md

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+---
+topic: sample
+languages:
+  - C# (dotnet)
+products:
+  - azure
+  - cognitive services
+---
+
+# Face Rest API
+
+These samples are quickstarts that show how to use the Face REST API.
+
+## Prerequisites
+
+- [An Azure Face resource](https://azure.microsoft.com/en-us/try/cognitive-services/?api=face) 
+- Download the images from [this repo](https://github.com/Azure-Samples/cognitive-services-sample-data-files/blob/master/ComputerVision/Images/), then create an "Image" folder inside of a Visual Studio console application in your bin\debug\netcoreapp3.0 folder, then add the image to it. Or use an image of your own.
+- Add your Face subscription key and endpoint to your environment variables with the suggested variable names in the sample.
+
+## Running the samples
+
+Run the sample in Visual Studio and see the console output.
+
+## Resources
+- Face documentation: <br>
+https://docs.microsoft.com/en-us/azure/cognitive-services/face/index
+- Face API:<br> 
+https://westus.dev.cognitive.microsoft.com/docs/services/563879b61984550e40cbbe8d/operations/563879b61984550f30395236