Railo 4.2 Reference
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Flushes the cache


cacheclear([string filter,[string cacheName]]):number


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
filter string  No You can specify a key filter for the elements in the cache to flush, the filter follow the same rules as for cfdirectory-filter  
cacheName string  No definition of the cache used by name, when not set the "default Object Cache" defined in Railo Administrator is used instead.