Anywhere
collection.findOne([selector], [options])
Source
Finds the first document that matches the selector, as ordered by sort and skip options.
Arguments
selector Mongo Selector, Object ID, or String A query describing the documents to find
Options
sort Mongo Sort Specifier Sort order (default: natural order) skip Number Number of results to skip at the beginning fields Mongo Field Specifier Dictionary of fields to return or exclude. reactive Boolean (Client only