API Reference > imodeljs-frontend > Tiles > TileRequestChannels TileRequestChannels Class A set of named TileRequestChannels via which content for Tiles can be requested. see TileAdmin.channels for the channels configured for use with the iTwin.js display system. see TileRequestChannels.getForHttp for the most typical way of obtaining or registering a channel. Methods Name Description [iterator](): Iterator<TileRequestChannel, any, undefined> Iterator over all of the channels. add(channel: TileRequestChannel): void Add a new channel. get(name: string): undefined | TileRequestChannel Look up a registered channel by its name. getForHttp(name: string): TileRequestChannel Obtain a channel that requests content over HTTP using HTTP 1.1 limits on simultaneous connections. has(channel: TileRequestChannel): boolean Return whether the specified channel has been registered. resetStatistics(): void Reset all TileRequestChannels.statistics to zero. getNameFromUrl(url: string | URL): string Static Extract the host name from a URL for use as the name of the corresponding TileRequestChannel. Properties Name Type Description elementGraphicsRpc Readonly TileRequestChannel The channel over which TileAdmin.requestElementGraphics executes. httpConcurrency Readonly "6" The maximum number of active requests for a channel that uses HTTP to request content. rpcConcurrency Accessor ReadOnly number The maximum number of active requests for a channel that uses an RpcInterface to satisfy its requests. size Accessor ReadOnly number The number of registered channels. statistics Accessor ReadOnly TileRequestChannelStatistics Statistics intended primarily for debugging. Defined in core/frontend/src/tile/TileRequestChannel.ts Line 379 Last Updated: 11 June, 2024