AWS SDK Version 3 for .NET
API Reference

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Returns list of collection IDs in your account. If the result is truncated, the response also provides a NextToken that you can use in the subsequent request to fetch the next set of collection IDs.

For an example, see Listing Collections in the Amazon Rekognition Developer Guide.

This operation requires permissions to perform the rekognition:ListCollections action.


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

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


public virtual ListCollectionsResponse ListCollections(
         ListCollectionsRequest request
Type: Amazon.Rekognition.Model.ListCollectionsRequest

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

Return Value
The response from the ListCollections 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.


This operation returns a list of Rekognition collections.

To list the collections

var response = client.ListCollections(new ListCollectionsRequest 

List collectionIds = response.CollectionIds;


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