SCIM API and connector support for filtering by users having a Role in IIQ

We’re aggregating identity data into IIQ from another IIQ instance by utilising the SCIM API and using the SCIM 2 connector. We require to only read a subset of the identities i.e. those that hold a certain Role. Does the SCIM API support filtering by users have a specific role in and if so how do we specify the filter string in the “Account Filter” field within the SCIM 2 connector?

Is there an easy way to work out what attributes can be filtered by? I cant see anything in the API spec unless i’ve missed it.

Also perhaps for another post, how can we monitor the performance/load on the app servers from using the api’s to read identity data.

Thanks!