Salesforce Developer Community

SELECT AssigneeId,Id,PermissionSet.Name FROM PermissionSetAssignment WHERE AssigneeId = '< id >' AND PermissionSetId = '< id >'

On firing above query using API (/services/data/v20.0/), i am getting error mentioned below:

Array(
   [message] => sObject type 'PermissionSetAssignment' is not supported
   [errorCode] => INVALID_TYPE
)

SELECT AssigneeId,Id,PermissionSet.Name FROM PermissionSetAssignment WHERE AssigneeId = '< id >' AND PermissionSetId = '< id >'

On firing above query using API (/services/data/v20.0/), i am getting error mentioned below:

Array(
   [message] => sObject type 'PermissionSetAssignment' is not supported
   [errorCode] => INVALID_TYPE
)