2.1.1 GroupResults object

Represent the test and practice results across all learning objects and group members of a single group.

Field	Type	Description
`groupId` required	String	The group ID. Example value: `nYrK9udUc-UGvRS2kxaPtaB-0wzeHAJzM6vlL1te6wI`
`averageProficiency` optional	Integer	The average practice proficiency across all drills and across all group members. The value is only available if the group contains drills.
`averageDrillResults` required	List of 2.1.1 GroupDrillableResult objects	A list of average practice results for all group members per drillable.
`memberResults` required	List of 2.1.1 GroupMemberResult objects	The actual individual group member results.
`members` required	Integer	The total number of group members contained in the group.