# UpdateEmbedderRequest Request body for updating an existing Embedder. Only fields that should be updated need to be included. supportedModalities is creation-time only and cannot be changed here. ```ts export type UpdateEmbedderRequest = AtMostOne; ``` Helper definitions for the constraints above (kept here to avoid extra page reads): ```ts export type AtMostOne = Prettify & ({ [K in Keys]-?: { [P in K]-?: NonNullable; } & { [P in Exclude]?: null | undefined; }; }[Keys] | { [K in Keys]?: null | undefined; })>; export type Prettify = { [K in keyof T]: T[K]; } & {}; ``` [TypeScript](../../typescript.md) Related types — open only those used by your request: - [UpdateEmbedderRequestBase](UpdateEmbedderRequestBase.md)