Additional Permissions for ICA-TCP connection

i can change session settings of ica-rdp connection using powershell modifying registry. however, not finding way add additional permissions connection using powershell. 

i see security registry connection, can;t read values , add parameters it.

if still looking this, here code :-

(get-wmiobject -namespace "root/cimv2/terminalservices" -class win32_tspermissionssetting| where-object {$_.terminalname -eq "ica-tcp"}).addaccount("k0z0s",1)

Windows Server  >  Windows PowerShell