A visual studio walk thru building an Azure Functions integrating it with Cosmos DB Change feed.
Input/Output binding types (this is specifically for CosmosDB/DocumentDB, but similar for all bindings): https://docs.microsoft.com/en-us/azur.... The runtime uses your Attribute values, combined with the parameter type, to determine if it’s an input or output binding.
Here is some more documentation for WebJobs, specifically, here: https://github.com/Azure/azure-webjob....
HTTP auth key usage: https://docs.microsoft.com/en-us/azur...
Proxies -- when in read-only mode, you need to edit the proxies.json file. Some descriptions of proxies (and that file) are here: https://docs.microsoft.com/en-us/azur....