Smaws_Client_OpenSearchServerless.ListCollectionsLists all OpenSearch Serverless collections. For more information, see Creating and managing Amazon OpenSearch Serverless collections.
Make sure to include an empty request body {} if you don't include any collection filters in the request.
val error_to_string :
[ Smaws_Lib.Protocols.AwsJson.error
| `InternalServerException of Types.internal_server_exception
| `ValidationException of Types.validation_exception ] ->
stringval request :
'http_type Smaws_Lib.Context.t ->
Types.list_collections_request ->
(Types.list_collections_response,
[> Smaws_Lib.Protocols.AwsJson.error
| `InternalServerException of Types.internal_server_exception
| `ValidationException of Types.validation_exception ])
Stdlib.result