# DashAvailabilityStartTimeConfiguration
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The configuration for the DASH `availabilityStartTime` attribute of the Media Presentation Description (MPD). Use this configuration to set a custom availability start time for your DASH manifest.

## Contents
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**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** FixedAvailabilityStartTime **   <a name="mediapackage-Type-DashAvailabilityStartTimeConfiguration-FixedAvailabilityStartTime"></a>
The fixed availability start time for the DASH manifest, in ISO 8601 date-time format. The value must have hourly granularity, meaning that the minutes, seconds, and fractional seconds must be zero. The value must be on or after `2024-01-01T00:00:00Z` and must be at least 14 days before the current time.  
Type: Timestamp  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/mediapackagev2-2022-12-25/DashAvailabilityStartTimeConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/mediapackagev2-2022-12-25/DashAvailabilityStartTimeConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/mediapackagev2-2022-12-25/DashAvailabilityStartTimeConfiguration) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS Elemental MediaPackage V2 Live API. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query mediapackage` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).