Mongo Get Something from Each Database

alldbs.js

var ld = db.adminCommand( { listDatabases: 1 } );

ld.databases.forEach(function(dbName){
        var dbx = db.getSiblingDB(dbName.name);
        var AccountIds = dbx['Network.Environment'].find().map(function(view){
                if (view.AuditedAccountIds == null || view.AuditedAccountIds == 'undefined'){
                        print(dbName.name + ", " + view.AuditedAccountIds);
                }
        });

});