Update README.md

README.md

@@ -130,4 +130,11 @@ C:\>Get-WAPCloudService -Name DCs | Get-WAPVMRoleVM | Connect-WAPVMRDP
 
 #connect to specific VM Role VM instance over RDP
 C:\>Get-WAPCloudService -Name DCs | Get-WAPVMRoleVM -Name SRV001 | Connect-WAPVMRDP
-```
+```
+Disk Functions
+Get-WAPVMRoleVMDisk : Fetches all Disks currently attached to a WAPVMRoleVM. Returns WAP.DISK objects
+Expand-WAPVMRoleVMDisk: Takes a WAP.DISK Object a size in GB, expands the disk to the requested size.
+Invoke-WAPVMRoleVMDiskExpansion: Takes a WAP.DISK Object a size in GB. This stops the VM, Invokes the epansion command and then restarts the VM.
+
+Get-WAPVMRoleDisk: Fetches all Disks in the subscription. Returns WAP.DISKIMAGE Objects
+New-WAPVMRoleVMDisk: Takes a WAP.DISKIMAGE object and a Cloud Service Name, then mounts attaches the Disk to the VM.