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db.collection.isCapped()Important
mongo Shell Method
This page documents a
mongomethod. This is not the documentation for database commands or language-specific drivers, such as Node.js. To use the database command, see thecappedfield returned by thecollStatscommand.For MongoDB API drivers, refer to the language-specific MongoDB driver documentation.
Returns: Returns trueif the collection is a capped collection, otherwise returnsfalse.