Establish connection to a VNET via an ExpressRoute circuit
{"type": "microsoft.network/publicipaddresses", "apiversion": "2021-03-01", "name": "[variables('publicipaddressname')]", "sku": {"name": "basic"}, "location": "[parameters('location')]", "properties": {"publicipaddressversion": "ipv4", "publicipallocationmethod": "[variables('publicipaddresstype')]"}} 