This GitHub action is deprecated, not supported and cannot be used. Twilio sunset programmable fax offering on 2021/12/17. And also, twilio-node library introduced the breaking change in 3.74.0 version where possibility to send faxes has been removed.
All input parameters for this GitHub action are ignored. If you call this GitHub action in your workflow you will see the following warning:
This GitHub action is deprecated, is not supported and cannot be used. Twilio sunset programmable fax offering on 2021/12/17. And also, twilio-node library introduced the breaking change in 3.74.0 version where possibility to send faxes has been removed. More information: https://github.com/twilio/twilio-node/releases/tag/3.74.0 and https://www.twilio.com/changelog/programmable-fax-end-life-one-year-notice
