API Reference > imodelhub-client > iModelHubClient iModelHubClient Classes for communicating directly with iModelHub. Classes Name Description AggregateResponseError Class for aggregating errors from multiple requests. BaseEventSAS Base class for event shared access signatures. BriefcaseEvent Base type for iModelHub events that have BriefcaseId. ChangeSet ChangeSet represents a file containing changes to the iModel. ChangeSetHandler Handler for managing ChangeSets. ChangeSetPostPushEvent Sent when a ChangeSet is successfully pushed. ChangeSetPrePushEvent Sent when a ChangeSet push has started. ChangeSetQuery Query object for getting ChangeSets. EventHandler Handler for receiving IModelHubEvents. EventSAS Shared access signature token for getting IModelHubEvents. EventSubscription Subscription to receive IModelHubEvents. EventSubscriptionHandler Handler for managing EventSubscriptions. HubIModel HubIModel represents an iModel on iModelHub. HubUserInfo Information about the user, allowing to identify them based on their id. IModelAccessContext IModelBaseHandler This class acts as the WsgClient for other iModelHub Handlers. IModelClient Base class that allows access to different iModel related Class handlers. IModelDeletedEvent Sent when an iModel is deleted. IModelHandler Handler for managing HubIModel instance. Beta IModelHubBaseEvent Base type for all iModelHub global events IModelHubClient Class that allows access to different iModelHub class handlers. IModelHubClientError Errors for incorrect iModelHub requests. IModelHubError Error returned from iModelHub service. IModelHubEvent Base type for all iModelHub events. IModelQuery Query object for getting HubIModel instances. IModelsHandler Handler for managing HubIModel instances. InstanceIdQuery Query for instances with Guid based instance ids. LargeThumbnail Large Thumbnail class. SmallThumbnail Small Thumbnail class. StringIdQuery Query for instances with string based instance ids. Thumbnail Base class for Thumbnails. ThumbnailHandler Handler for retrieving Thumbnails. ThumbnailQuery Query object for getting Thumbnails. UserInfoHandler Handler for querying HubUserInfo. UserInfoQuery Query object for getting HubUserInfo. UserStatistics Statistics of user created and owned instances on the iModel. UserStatisticsHandler Handler for querying UserStatistics. UserStatisticsQuery Query object for getting User Statistics. Version Named Version is a specific ChangeSet given a name to differentiate it from others. VersionEvent Sent when a new named Version is created. VersionHandler Handler for managing Versions. VersionQuery Query object for getting Versions. Enumerations Name Description ChangesType Specifies types of changes in a ChangeSet. IModelHubEventType Type of IModelHubEvent. IModelType iModel type InitializationState Initialization state of seed file. Global Functions Name Description addApplicationVersion This function when used on IModelClient adds specified application version header to every request. Beta addCsrfHeader This function when used on IModelClient adds CSRF header to every request. Beta addHeader This function when used on IModelClient adds specified header to every request. Beta Interfaces Name Description IModelCreateOptions Options used when creating an HubIModel with IModelHandler.create or IModelsHandler.create. TipThumbnail Tip Thumbnail download parameters. Type Aliases Name Description HttpRequestOptionsTransformer ThumbnailSize Thumbnail size. Last Updated: 29 November, 2022