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# View the Rolling Buffer Contents

To retrieve a list of all the rolling buffers that have been configured use the following procedure.

To list your rolling buffers

- Send the `GetStreams` action to HPE Media Server. For example:

      http://localhost:14000/action=GetStreams

  HPE Media Server returns a list of all of your rolling buffers.

You can also retrieve information about the video stored in a rolling buffer. For example, you might record video for one hour each morning and two hours each afternoon. To get information about what has been stored in a rolling buffer, use the following procedure.

To return a list of the content in a rolling buffer

- Send the `GetRecordedRanges` action to HPE Media Server.

  You can filter the results by setting the following optional parameters:

  `Stream` | The rolling buffer to list of recorded content for. If this parameter is not set, HPE Media Server returns results for all rolling buffers.
  `StartTime` | Only show content available after this time. Specify the start time in epoch milliseconds or ISO-8601 format.
  `Duration` | The length of time after the start time to return a list of available content for. Specify the duration in milliseconds.

  For example, to retrieve a list of content available in the `BBCNews` rolling buffer for 24 hours from 16:27:54 on 21 February 2014:

      http://localhost:14000/action=GetRecordedRanges&Stream=BBCNews
                                                     &StartTime=1393000074243
                                                     &Duration=86400000

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