API Reference > ecSchema-Metadata > Metadata > Schema > lookupItem lookupItem Method Attempts to find a schema item within this schema or a (directly) referenced schema lookupItem<T extends SchemaItem<T>>(key: string | Readonly<SchemaItemKey>): Promise<undefined | T> Parameter Type Description key string | Readonly<SchemaItemKey> The full name or a SchemaItemKey identifying the desired item. Returns - Promise<undefined | T> Defined in core/ecschema-metadata/src/Metadata/Schema.ts Line 394 Last Updated: 11 June, 2024