Flushing expired documents from the document cache of an API gateway

How to remove expired documents from the document cache of an API gateway.

1. In the search field, enter api gateway.
2. From the search results, click API gateway.
3. Select the API gateway.
4. Select Flush expired documents from the actions list.
5. Enter the shell-style regular expression that identifies documents in the document cache.
   The default value of * matches all entries.
6. Enter the exact match for the cache key to restrict the URL match to only documents with this cache key.
   This property is valid only when you include the URL-match. The default value of * ignores the cache key.
7. Click Flush expired documents, and follow the prompts.