API Reference > imodeljs-backend > iModels > IModelDb > queryEntityIds queryEntityIds Method Query for a set of entity ids, given an EntityQueryParams queryEntityIds(params: EntityQueryParams): Id64Set throws IModelError if the generated statement is invalid or IModelDb.maxLimit exceeded when collecting ids. Example: // If you are sure that the name of the PhysicalPartition is unique within the // iModel or if you have some way of filtering results, you could do a direct query // for just its code value using the IModelDb.queryEntityIds convenience method. for (const eidStr of iModel.queryEntityIds({ from: PhysicalPartition.classFullName, where: "CodeValue=:cv", bindings: { cv: "Physical" } })) { assert.equal(iModel.elements.getElement(eidStr).code.value, "Physical"); } Parameter Type Description params EntityQueryParams The query parameters. The limit and offset members should be used to page results. Returns - Id64Set an Id64Set with results of query Defined in core/backend/src/IModelDb.ts Line 618 Last Updated: 11 June, 2024