mongodb create collection
db.createCollection( <name>,
{
capped: <boolean>,
autoIndexId: <boolean>,
size: <number>,
max: <number>,
storageEngine: <document>,
validator: <document>,
validationLevel: <string>,
validationAction: <string>,
indexOptionDefaults: <document>,
viewOn: <string>, // Added in MongoDB 3.4
pipeline: <pipeline>, // Added in MongoDB 3.4
collation: <document>, // Added in MongoDB 3.4
writeConcern: <document>
}
)