> For the complete documentation index, see [llms.txt](https://coldbox.ortusbooks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://coldbox.ortusbooks.com/v4.x-1/getting-started/configuration/coldbox.cfc/configuration-directives/flash.md).

# Flash

This directive is how you will configure the [Flash RAM](/v4.x-1/digging-deeper/flash-ram.md) for operation. Below are the configuration keys and their defaults:

```javascript
// flash scope configuration
flash = {
    // Available scopes are: session,client,cache,mock or your own class path
    scope = "session",
    // constructor properties for the flash scope implementation
    properties = {},
    // automatically inflate flash data into the RC scope at the beginning of a request
    inflateToRC = true, 
    // automatically inflate flash data into the PRC scope at the beginning of a request
    inflateToPRC = false, 
    // automatically purge flash data for you
    autoPurge = true, 
    // automatically save flash scopes at end of a request and on relocations.
    autoSave = true 
};
```


---

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