How to use mongo raw query in c#?

Hi,

I would like to use raw mongo aggregate query in c#

ex:

$match: {

                            sdffds: 'dfsdf',

                            credat: {

                                $gte: ISODate('2021-07-05T12:29:30.000+00:00'),

                                $lte: ISODate('2021-07-15T12:29:30.000+00:00')

                            }}

                           }, {

                            $group: {

                                _id: {

                                    $dateToString: {

                                        format: '%Y-%m-%d-%H',

                                        date: '$sadsa'

                                    }

                                },

                                items: {

                                    $first: '$$ROOT'

                                }

                            },{

                                 '$replaceRoot':{

                                     'newRoot':'$items'

                                     }

                            },{

                                '$sort':{'plctime':-1

                                }

                            }