Actions Available
In the Administration domain, you can perform the following actions:
CreateSessionToken 
Create a session token to log into Windchill Risk and Reliability. This returns a string of sessiontoken.
Example
POST /WindchillRiskAndReliability12.0-REST/odata/Administration/CreateSessionToken
Request Body
{
"UserName": "<username>",
"Password": "<password>",
"GroupName": "<groupname>"
}
RenewLicenses 
Renews licenses for the user calling this action. It does not accept any parameters.
Example
POST /WindchillRiskAndReliability12.0-REST/odata/Administration/RenewLicenses
ReleaseLicenseTickets 
Releases license tickets held by a user (the user calling this action). It does not accept any parameters.
Example
POST /WindchillRiskAndReliability12.0-REST/odata/Administration/ReleaseLicenseTickets