AWS SDK Version 3 for .NET
API Reference

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Gets the person tracking results of a Amazon Rekognition Video analysis started by .

The person detection operation is started by a call to StartPersonTracking which returns a job identifier (JobId). When the person detection operation finishes, Amazon Rekognition Video publishes a completion status to the Amazon Simple Notification Service topic registered in the initial call to StartPersonTracking.

To get the results of the person tracking operation, first check that the status value published to the Amazon SNS topic is SUCCEEDED. If so, call and pass the job identifier (JobId) from the initial call to StartPersonTracking.

GetPersonTracking returns an array, Persons, of tracked persons and the time(s) they were tracked in the video.

GetPersonTracking only returns the default facial attributes (BoundingBox, Confidence, Landmarks, Pose, and Quality). The other facial attributes listed in the Face object of the following response syntax are not returned.

For more information, see FaceDetail in the Amazon Rekognition Developer Guide.

By default, the array is sorted by the time(s) a person is tracked in the video. You can sort by tracked persons by specifying INDEX for the SortBy input parameter.

Use the MaxResults parameter to limit the number of items returned. If there are more results than specified in MaxResults, the value of NextToken in the operation response contains a pagination token for getting the next set of results. To get the next page of results, call GetPersonTracking and populate the NextToken request parameter with the token value returned from the previous call to GetPersonTracking.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to GetPersonTrackingAsync.

Namespace: Amazon.Rekognition
Assembly: AWSSDK.Rekognition.dll
Version: 3.x.y.z


public abstract GetPersonTrackingResponse GetPersonTracking(
         GetPersonTrackingRequest request
Type: Amazon.Rekognition.Model.GetPersonTrackingRequest

Container for the necessary parameters to execute the GetPersonTracking service method.

Return Value
The response from the GetPersonTracking service method, as returned by Rekognition.


AccessDeniedException You are not authorized to perform the action.
InternalServerErrorException Amazon Rekognition experienced a service issue. Try your call again.
InvalidPaginationTokenException Pagination token in the request is not valid.
InvalidParameterException Input parameter violated a constraint. Validate your parameter before calling the API operation again.
ProvisionedThroughputExceededException The number of requests exceeded your throughput limit. If you want to increase this limit, contact Amazon Rekognition.
ResourceNotFoundException The collection specified in the request cannot be found.
ThrottlingException Amazon Rekognition is temporarily unable to process the request. Try your call again.

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also