Mongo.GridFs.Bucket.find_one
You're seeing just the function
find_one
, go back to Mongo.GridFs.Bucket module for more information.
Specs
find_one(t(), String.t()) :: BSON.document() | nil
find_one(t(), BSON.ObjectId.t()) :: BSON.document() | nil
Finds one file document by file_id
specified either as a string or BSON.ObjectId
.