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|  | <h1><a href="classroom_v1.html">Google Classroom API</a> . <a href="classroom_v1.registrations.html">registrations</a></h1> | 
|  | <h2>Instance Methods</h2> | 
|  | <p class="toc_element"> | 
|  | <code><a href="#create">create(body=None, x__xgafv=None)</a></code></p> | 
|  | <p class="firstline">Creates a `Registration`, causing Classroom to start sending notifications</p> | 
|  | <p class="toc_element"> | 
|  | <code><a href="#delete">delete(registrationId, x__xgafv=None)</a></code></p> | 
|  | <p class="firstline">Deletes a `Registration`, causing Classroom to stop sending notifications</p> | 
|  | <h3>Method Details</h3> | 
|  | <div class="method"> | 
|  | <code class="details" id="create">create(body=None, x__xgafv=None)</code> | 
|  | <pre>Creates a `Registration`, causing Classroom to start sending notifications | 
|  | from the provided `feed` to the destination provided in `cloudPubSubTopic`. | 
|  |  | 
|  | Returns the created `Registration`. Currently, this will be the same as | 
|  | the argument, but with server-assigned fields such as `expiry_time` and | 
|  | `id` filled in. | 
|  |  | 
|  | Note that any value specified for the `expiry_time` or `id` fields will be | 
|  | ignored. | 
|  |  | 
|  | While Classroom may validate the `cloudPubSubTopic` and return errors on a | 
|  | best effort basis, it is the caller's responsibility to ensure that it | 
|  | exists and that Classroom has permission to publish to it. | 
|  |  | 
|  | This method may return the following error codes: | 
|  |  | 
|  | * `PERMISSION_DENIED` if: | 
|  | * the authenticated user does not have permission to receive | 
|  | notifications from the requested field; or | 
|  | * the credential provided does not include the appropriate scope for | 
|  | the requested feed. | 
|  | * another access error is encountered. | 
|  | * `INVALID_ARGUMENT` if: | 
|  | * no `cloudPubsubTopic` is specified, or the specified | 
|  | `cloudPubsubTopic` is not valid; or | 
|  | * no `feed` is specified, or the specified `feed` is not valid. | 
|  | * `NOT_FOUND` if: | 
|  | * the specified `feed` cannot be located, or the requesting user does | 
|  | not have permission to determine whether or not it exists; or | 
|  | * the specified `cloudPubsubTopic` cannot be located, or Classroom has | 
|  | not been granted permission to publish to it. | 
|  |  | 
|  | Args: | 
|  | body: object, The request body. | 
|  | The object takes the form of: | 
|  |  | 
|  | { # An instruction to Classroom to send notifications from the `feed` to the | 
|  | # provided destination. | 
|  | "feed": { # A class of notifications that an application can register to receive. # Specification for the class of notifications that Classroom should deliver | 
|  | # to the destination. | 
|  | # For example: "all roster changes for a domain". | 
|  | "feedType": "A String", # The type of feed. | 
|  | "courseRosterChangesInfo": { # Information about a `Feed` with a `feed_type` of `COURSE_ROSTER_CHANGES`. # Information about a `Feed` with a `feed_type` of `COURSE_ROSTER_CHANGES`. | 
|  | # This field must be specified if `feed_type` is `COURSE_ROSTER_CHANGES`. | 
|  | "courseId": "A String", # The `course_id` of the course to subscribe to roster changes for. | 
|  | }, | 
|  | "courseWorkChangesInfo": { # Information about a `Feed` with a `feed_type` of `COURSE_WORK_CHANGES`. # Information about a `Feed` with a `feed_type` of `COURSE_WORK_CHANGES`. | 
|  | # This field must be specified if `feed_type` is `COURSE_WORK_CHANGES`. | 
|  | "courseId": "A String", # The `course_id` of the course to subscribe to work changes for. | 
|  | }, | 
|  | }, | 
|  | "registrationId": "A String", # A server-generated unique identifier for this `Registration`. | 
|  | # | 
|  | # Read-only. | 
|  | "cloudPubsubTopic": { # A reference to a Cloud Pub/Sub topic. # The Cloud Pub/Sub topic that notifications are to be sent to. | 
|  | # | 
|  | # To register for notifications, the owner of the topic must grant | 
|  | # `classroom-notifications@system.gserviceaccount.com` the | 
|  | #  `projects.topics.publish` permission. | 
|  | "topicName": "A String", # The `name` field of a Cloud Pub/Sub | 
|  | # [Topic](https://cloud.google.com/pubsub/docs/reference/rest/v1/projects.topics#Topic). | 
|  | }, | 
|  | "expiryTime": "A String", # The time until which the `Registration` is effective. | 
|  | # | 
|  | # This is a read-only field assigned by the server. | 
|  | } | 
|  |  | 
|  | x__xgafv: string, V1 error format. | 
|  | Allowed values | 
|  | 1 - v1 error format | 
|  | 2 - v2 error format | 
|  |  | 
|  | Returns: | 
|  | An object of the form: | 
|  |  | 
|  | { # An instruction to Classroom to send notifications from the `feed` to the | 
|  | # provided destination. | 
|  | "feed": { # A class of notifications that an application can register to receive. # Specification for the class of notifications that Classroom should deliver | 
|  | # to the destination. | 
|  | # For example: "all roster changes for a domain". | 
|  | "feedType": "A String", # The type of feed. | 
|  | "courseRosterChangesInfo": { # Information about a `Feed` with a `feed_type` of `COURSE_ROSTER_CHANGES`. # Information about a `Feed` with a `feed_type` of `COURSE_ROSTER_CHANGES`. | 
|  | # This field must be specified if `feed_type` is `COURSE_ROSTER_CHANGES`. | 
|  | "courseId": "A String", # The `course_id` of the course to subscribe to roster changes for. | 
|  | }, | 
|  | "courseWorkChangesInfo": { # Information about a `Feed` with a `feed_type` of `COURSE_WORK_CHANGES`. # Information about a `Feed` with a `feed_type` of `COURSE_WORK_CHANGES`. | 
|  | # This field must be specified if `feed_type` is `COURSE_WORK_CHANGES`. | 
|  | "courseId": "A String", # The `course_id` of the course to subscribe to work changes for. | 
|  | }, | 
|  | }, | 
|  | "registrationId": "A String", # A server-generated unique identifier for this `Registration`. | 
|  | # | 
|  | # Read-only. | 
|  | "cloudPubsubTopic": { # A reference to a Cloud Pub/Sub topic. # The Cloud Pub/Sub topic that notifications are to be sent to. | 
|  | # | 
|  | # To register for notifications, the owner of the topic must grant | 
|  | # `classroom-notifications@system.gserviceaccount.com` the | 
|  | #  `projects.topics.publish` permission. | 
|  | "topicName": "A String", # The `name` field of a Cloud Pub/Sub | 
|  | # [Topic](https://cloud.google.com/pubsub/docs/reference/rest/v1/projects.topics#Topic). | 
|  | }, | 
|  | "expiryTime": "A String", # The time until which the `Registration` is effective. | 
|  | # | 
|  | # This is a read-only field assigned by the server. | 
|  | }</pre> | 
|  | </div> | 
|  |  | 
|  | <div class="method"> | 
|  | <code class="details" id="delete">delete(registrationId, x__xgafv=None)</code> | 
|  | <pre>Deletes a `Registration`, causing Classroom to stop sending notifications | 
|  | for that `Registration`. | 
|  |  | 
|  | Args: | 
|  | registrationId: string, The `registration_id` of the `Registration` to be deleted. (required) | 
|  | x__xgafv: string, V1 error format. | 
|  | Allowed values | 
|  | 1 - v1 error format | 
|  | 2 - v2 error format | 
|  |  | 
|  | Returns: | 
|  | An object of the form: | 
|  |  | 
|  | { # 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: | 
|  | # | 
|  | #     service Foo { | 
|  | #       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty); | 
|  | #     } | 
|  | # | 
|  | # The JSON representation for `Empty` is empty JSON object `{}`. | 
|  | }</pre> | 
|  | </div> | 
|  |  | 
|  | </body></html> |