Azure OpenAI auth using azure_ad in RASA CALM

I’m trying to use azure_ad as openai_api_type in RASA CALM. But from the RASA source code I saw that the azure_ad type is not yet supported. I’m curious to know if there are any workaround or will there be any support for the azure_ad openai_api_type in the future. Any help would be appreciated. Thanks in advance.