How to use the [AzureIoTProtocol_HTTP ] library

[NY20200803]

I don't know how to use the library on the following page.
URL

https://www.arduino.cc/reference//en/li ... ocol_http/

I want to do the following. What should I do now?
1. Send the JSON character string to AZURE
2. Setting a password to create in AZURE using the connection string primary key
Password required for [ESP32 and AZURE] connection

Do the above,
I want to connect ESP32 and AZURE with HTTP protocol.

Please tell me the function corresponding to items 1 and 2.
What should I do that way? please tell me.