snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

docs/framework/angular/reference/interfaces/QueryCacheConfig.md

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+---
+id: QueryCacheConfig
+title: QueryCacheConfig
+---
+
+Defined in: [packages/query-core/src/queryCache.ts:25](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryCache.ts#L25)
+
+Global callbacks that fire for every query handled by a `QueryCache`, regardless of which
+component or observer triggered it. Unlike `QueryClient`'s `defaultOptions`, which a query can
+override, these callbacks are always called. Unlike `MutationCacheConfig`'s callbacks, these
+are fire-and-forget: their return value is not awaited before the query settles.
+
+## Properties
+
+### onError()?
+
+```ts
+optional onError: (error, query) => void;
+```
+
+Defined in: [packages/query-core/src/queryCache.ts:27](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryCache.ts#L27)
+
+Called when any query in the cache encounters an error.
+
+#### Parameters
+
+##### error
+
+`Error`
+
+##### query
+
+[`Query`](../classes/Query.md)\<`unknown`, `unknown`, `unknown`\>
+
+#### Returns
+
+`void`
+
+***
+
+### onSettled()?
+
+```ts
+optional onSettled: (data, error, query) => void;
+```
+
+Defined in: [packages/query-core/src/queryCache.ts:34](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryCache.ts#L34)
+
+Called when any query in the cache is settled, either successfully or with an error.
+
+#### Parameters
+
+##### data
+
+`unknown`
+
+##### error
+
+`Error` | `null`
+
+##### query
+
+[`Query`](../classes/Query.md)\<`unknown`, `unknown`, `unknown`\>
+
+#### Returns
+
+`void`
+
+***
+
+### onSuccess()?
+
+```ts
+optional onSuccess: (data, query) => void;
+```
+
+Defined in: [packages/query-core/src/queryCache.ts:32](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryCache.ts#L32)
+
+Called when any query in the cache is successful.
+
+#### Parameters
+
+##### data
+
+`unknown`
+
+##### query
+
+[`Query`](../classes/Query.md)\<`unknown`, `unknown`, `unknown`\>
+
+#### Returns
+
+`void`