Please help me
What do I have to put in the authorization shared header.
Hi @tomarsurbhi88,
Thank you for reaching out.
Please check the plugin’s demo page for instructions on how to obtain the Authorization (shared headers) parameter.
https://zeroqode-demo-19.bubbleapps.io/twiliodemo?debug_mode=true
Hope the above will be useful for you. 
In case there will be any other plugin-related questions, please don’t hesitate to contact me.
Best regards, 