# CacheIdExists

Lookup the id in the cache to see if it exists or not.

The id can be a single id or an array of IDs By default, the {@code cacheName} is set to {@code default}. You can also pass in a filter

## Method Signature

```
CacheIdExists(id=[any], cacheName=[string])
```

### Arguments

| Argument    | Type     | Required | Description                                                         | Default   |
| ----------- | -------- | -------- | ------------------------------------------------------------------- | --------- |
| `id`        | `any`    | `true`   | The cache id to retrieve, or an array of ids to retrieve            |           |
| `cacheName` | `string` | `false`  | The cache name to retrieve the id from, defaults to {@code default} | `default` |

## Examples

## Related

* [CacheClear](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheclear)
* [CacheCount](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachecount)
* [cacheDelete](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachedelete)
* [CacheGet](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheget)
* [CacheGetAll](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetall)
* [CacheGetAllIds](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetallids)
* [CacheGetAsAttempt](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetasattempt)
* [CacheGetDefaultCacheName](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetdefaultcachename)
* [CacheGetEngineProperties](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetengineproperties)
* [CacheGetMetadata](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetmetadata)
* [CacheGetOrFail](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetorfail)
* [CacheGetProperties](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetproperties)
* [CacheGetSession](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachegetsession)
* [cacheKeyExists](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachekeyexists)
* [CachePut](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheput)
* [CacheRegionExists](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheregionexists)
* [CacheRegionNew](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheregionnew)
* [CacheRegionRemove](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheregionremove)
* [CacheRemove](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheremove)
* [CacheRemoveAll](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cacheremoveall)
* [CacheSetProperties](https://boxlang.ortusbooks.com/boxlang-framework/modularity/compat-cfml/reference/built-in-functions/cache/cachesetproperties)