How can I call a HTTPS site from within Azure Function using a specific Certificate to establish the HTTPS connection ?

How can I call a HTTPS site from within Azure Function using a specific Certificate to establish the HTTPS connection ? The project need a step by step guide how the certificates are loaded to Azure Function and how the RestSharp gets the Certificate and establish the HTTPS connection I have a Azure Function that needs to communicate with a remote server with a certificate. The remote server is a bank. Installing the Certificate and running local the Azure Function Emulator starts and the connection is made. Uploading to Azure i get this message The SSL connection could not be established, see inner exception. Authentication failed, see inner exception. I tried to include the certificate under the Azure Function SLL I installed all certificates in the Certificate chain as public certificates (.cer) and the private certificate (.pfx) Total description of the problem can be found at ( [login to view URL] )