doc/sdk/io-guide/guide-to-cache-api/how-to-do-a-cache-remove.en.rst

How to Do a Cache Remove
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Use ``TSCacheRemove`` to remove items from the cache. Possible callback
events include:

-  ``TS_EVENT_CACHE_REMOVE`` - the item was removed. There is no data
   payload for this event.

-  ``TS_EVENT_CACHE_REMOVE_FAILED`` - indicates the cache was unable to
   remove the item identified by the cache key. ``TSCacheError`` data
   indicates why the remove failed.