Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
the retention period for the metric at the specified timegrain. Expressed as a duration 'PT1M', 'P1D', etc.
public TimeSpan? Retention { get; }
member this.Retention : Nullable<TimeSpan>
Public ReadOnly Property Retention As Nullable(Of TimeSpan)