Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12345678]

▼NGoogle
▼NApis
▼NClassroom
▼Nv1
▼NData
CAnnouncement	Announcement created by a teacher for students of the course
CAssignment	Additional details for assignments.
CAssignmentSubmission	Student work for an assignment.
CAttachment	Attachment added to student assignment work
CCloudPubsubTopic	A reference to a Cloud Pub/Sub topic
CCourse	A Course in Classroom.
CCourseAlias	Alternative identifier for a course
CCourseMaterial	A material attached to a course as part of a material set.
CCourseMaterialSet	A set of materials that appears on the "About" page of the course. These materials might include a syllabus, schedule, or other background information relating to the course as a whole.
CCourseRosterChangesInfo	Information about a `Feed` with a `feed_type` of `COURSE_ROSTER_CHANGES`.
CCourseWork	Course work created by a teacher for students of the course.
CCourseWorkChangesInfo	Information about a `Feed` with a `feed_type` of `COURSE_WORK_CHANGES`.
CDate	Represents a whole or partial calendar date, e.g. a birthday. The time of day and time zone are either specified elsewhere or are not significant. The date is relative to the Proleptic Gregorian Calendar. This can represent:
CDriveFile	Representation of a Google Drive file.
CDriveFolder	Representation of a Google Drive folder.
CEmpty	A generic empty message that you can re-use to avoid defining duplicated empty messages in your APIs. A typical example is to use it as the request or the response type of an API method. For instance:
CFeed	A class of notifications that an application can register to receive. For example: "all roster changes for a domain".
CForm	Google Forms item.
CGlobalPermission	Global user permission description.
CGradeHistory	The history of each grade on this submission.
CGuardian	Association between a student and a guardian of that student. The guardian may receive information about the student's course work.
CGuardianInvitation	An invitation to become the guardian of a specified user, sent to a specified email address.
CIndividualStudentsOptions	Assignee details about a coursework/announcement. This field is set if and only if `assigneeMode` is `INDIVIDUAL_STUDENTS`.
CInvitation	An invitation to join a course.
CLink	URL item.
CListAnnouncementsResponse	Response when listing course work.
CListCourseAliasesResponse	Response when listing course aliases.
CListCoursesResponse	Response when listing courses.
CListCourseWorkResponse	Response when listing course work.
CListGuardianInvitationsResponse	Response when listing guardian invitations.
CListGuardiansResponse	Response when listing guardians.
CListInvitationsResponse	Response when listing invitations.
CListStudentsResponse	Response when listing students.
CListStudentSubmissionsResponse	Response when listing student submissions.
CListTeachersResponse	Response when listing teachers.
CListTopicResponse	Response when listing topics.
CMaterial	Material attached to course work
CModifyAnnouncementAssigneesRequest	Request to modify assignee mode and options of an announcement.
CModifyAttachmentsRequest	Request to modify the attachments of a student submission.
CModifyCourseWorkAssigneesRequest	Request to modify assignee mode and options of a coursework.
CModifyIndividualStudentsOptions	Contains fields to add or remove students from a course work or announcement where the `assigneeMode` is set to `INDIVIDUAL_STUDENTS`.
CMultipleChoiceQuestion	Additional details for multiple-choice questions.
CMultipleChoiceSubmission	Student work for a multiple-choice question.
CName	Details of the user's name.
CReclaimStudentSubmissionRequest	Request to reclaim a student submission.
CRegistration	An instruction to Classroom to send notifications from the `feed` to the provided destination.
CReturnStudentSubmissionRequest	Request to return a student submission.
CSharedDriveFile	Drive file that is used as material for course work.
CShortAnswerSubmission	Student work for a short answer question.
CStateHistory	The history of each state this submission has been in.
CStudent	Student in a course.
CStudentSubmission	Student submission for course work
CSubmissionHistory	The history of the submission. This currently includes state and grade histories.
CTeacher	Teacher of a course.
CTimeOfDay	Represents a time of day. The date and time zone are either not significant or are specified elsewhere. An API may choose to allow leap seconds. Related types are google.type.Date and `google.protobuf.Timestamp`.
CTopic	Topic created by a teacher for the course
CTurnInStudentSubmissionRequest	Request to turn in a student submission.
CUserProfile	Global information for a user.
CYouTubeVideo	YouTube video item.
CClassroomBaseServiceRequest	A base abstract class for Classroom requests.
CClassroomService	The Classroom Service.
▼CCoursesResource	The "courses" collection of methods.
►CAliasesResource	The "aliases" collection of methods.
CCreateRequest	Creates an alias for a course
CDeleteRequest	Deletes an alias of a course
CListRequest	Returns a list of aliases for a course
►CAnnouncementsResource	The "announcements" collection of methods.
CCreateRequest	Creates an announcement
CDeleteRequest	Deletes an announcement
CGetRequest	Returns an announcement
CListRequest	Returns a list of announcements that the requester is permitted to view
CModifyAssigneesRequest	Modifies assignee mode and options of an announcement
CPatchRequest	Updates one or more fields of an announcement
►CCourseWorkResource	The "courseWork" collection of methods.
CCreateRequest	Creates course work
CDeleteRequest	Deletes a course work
CGetRequest	Returns course work
CListRequest	Returns a list of course work that the requester is permitted to view
CModifyAssigneesRequest	Modifies assignee mode and options of a coursework
CPatchRequest	Updates one or more fields of a course work
►CStudentSubmissionsResource	The "studentSubmissions" collection of methods.
CClassroomReturnRequest	Returns a student submission
CGetRequest	Returns a student submission
CListRequest	Returns a list of student submissions that the requester is permitted to view, factoring in the OAuth scopes of the request. `-` may be specified as the `course_work_id` to include student submissions for multiple course work items
CModifyAttachmentsRequest	Modifies attachments of student submission
CPatchRequest	Updates one or more fields of a student submission
CReclaimRequest	Reclaims a student submission on behalf of the student that owns it
CTurnInRequest	Turns in a student submission
CCreateRequest	Creates a course
CDeleteRequest	Deletes a course
CGetRequest	Returns a course
CListRequest	Returns a list of courses that the requesting user is permitted to view, restricted to those that match the request. Returned courses are ordered by creation time, with the most recently created coming first
CPatchRequest	Updates one or more fields in a course
►CStudentsResource	The "students" collection of methods.
CCreateRequest	Adds a user as a student of a course
CDeleteRequest	Deletes a student of a course
CGetRequest	Returns a student of a course
CListRequest	Returns a list of students of this course that the requester is permitted to view
►CTeachersResource	The "teachers" collection of methods.
CCreateRequest	Creates a teacher of a course
CDeleteRequest	Deletes a teacher of a course
CGetRequest	Returns a teacher of a course
CListRequest	Returns a list of teachers of this course that the requester is permitted to view
►CTopicsResource	The "topics" collection of methods.
CCreateRequest	Creates a topic
CDeleteRequest	Deletes a topic
CGetRequest	Returns a topic
CListRequest	Returns the list of topics that the requester is permitted to view
CPatchRequest	Updates one or more fields of a topic
CUpdateRequest	Updates a course
▼CInvitationsResource	The "invitations" collection of methods.
CAcceptRequest	Accepts an invitation, removing it and adding the invited user to the teachers or students (as appropriate) of the specified course. Only the invited user may accept an invitation
CCreateRequest	Creates an invitation. Only one invitation for a user and course may exist at a time. Delete and re-create an invitation to make changes
CDeleteRequest	Deletes an invitation
CGetRequest	Returns an invitation
CListRequest	Returns a list of invitations that the requesting user is permitted to view, restricted to those that match the list request
▼CRegistrationsResource	The "registrations" collection of methods.
CCreateRequest	Creates a `Registration`, causing Classroom to start sending notifications from the provided `feed` to the destination provided in `cloudPubSubTopic`
CDeleteRequest	Deletes a `Registration`, causing Classroom to stop sending notifications for that `Registration`.
▼CUserProfilesResource	The "userProfiles" collection of methods.
CGetRequest	Returns a user profile
►CGuardianInvitationsResource	The "guardianInvitations" collection of methods.
CCreateRequest	Creates a guardian invitation, and sends an email to the guardian asking them to confirm that they are the student's guardian
CGetRequest	Returns a specific guardian invitation
CListRequest	Returns a list of guardian invitations that the requesting user is permitted to view, filtered by the parameters provided
CPatchRequest	Modifies a guardian invitation
►CGuardiansResource	The "guardians" collection of methods.
CDeleteRequest	Deletes a guardian
CGetRequest	Returns a specific guardian
CListRequest	Returns a list of guardians that the requesting user is permitted to view, restricted to those that match the request