in Microsoft.Azure.WebJobs.Extensions.AzureCosmosDb.Mongo/MongoUtility.cs [21:29]
internal static async Task CreateCollectionIfNotExistAsync(IMongoClient client, string DatabaseName, string CollectionName)
{
var database = client.GetDatabase(DatabaseName);
bool isCollectionExist = (await database.ListCollectionNames().ToListAsync()).Contains(CollectionName);
if (!isCollectionExist)
{
await database.CreateCollectionAsync(CollectionName);
}
}