Creates a new virtual switch.
New-VirtualSwitch [-VMHost] <VMHost> [-Name] <String> [[-NumPorts] <Int32>] [[-Nic] <PhysicalNic>] [[-Mtu] <Int32>] [-Server <VIServer>] [-WhatIf] [-Confirm] [<CommonParameters>]
Please find the below link for your reference.
Thanks & Regards
Thank you for the reply. I am looking for adding a vSwitch entry to Host profile not to the Host directly.
Creating a subprofile like thing.