az ams --help Manage Azure Media Services resources.

addaxnasom

This command group is in preview. It may be changed/removed in a future release.

Group
    az ams : Manage Azure Media Services resources.
        This command group is in preview. It may be changed/removed in a future release.
Subgroups:
    account            : Manage Azure Media Services accounts.
    account-filter     : Manage account filters for an Azure Media Services account.
    asset              : Manage assets for an Azure Media Services account.
    asset-filter       : Manage asset filters for an Azure Media Services account.
    content-key-policy : Manage content key policies for an Azure Media Services account.
    job                : Manage jobs for a transform.
    live-event         : Manage live events for an Azure Media Service account.
    live-output        : Manage live outputs for an Azure Media Service account.
    streaming-endpoint : Manage streaming endpoints for an Azure Media Service account.
    streaming-locator  : Manage streaming locators for an Azure Media Services account.
    streaming-policy   : Manage streaming policies for an Azure Media Services account.
    transform          : Manage transforms for an Azure Media Services account.