The appsettings.json file should be given a connection string to your MongoDB databases
{
"MongoDbCredentials": {
"CertificateFilePathWithName": "<optional Certificate file path with name [pfx file]>",
"CertificatePassword": "<optional Certificate password>",
"ConnectionString": "<mandatory> mongodb+srv://cluster0.fyu.mongodb.net/?authSource=%24external&authMechanism=MONGODB-X509&retryWrites=true&w=majority"
}
}Sample code
var database = MongoDBClientConnection.GetDatabase("YouDatabaseName");
var collection = database.GetCollection<T>("YourCollectionName"); // of type TFor more examples on how to Insert, Modify your data, check the MongoDB official documentation: https://www.mongodb.com/docs/drivers/csharp/current/quick-reference/