https://learn.microsoft.com/en-us/dotnet/api/microsoft.xrm.sdk.metadata.entitymetadata.isvalidforqueue?view=dataverse-sdk-latest
EntityMetadata.IsValidForQueue Property (Microsoft.Xrm.Sdk.Metadata) | Microsoft Learn
Gets or sets the property that determines whether the entity is enabled for queues.
propertymicrosoftxrmsdkmetadata