[twilio]: How to set Participant while sending message in twilio conversation and how to validate the Participant has permission to send message?

Question

My requirement is forbid some participants not to send messages in conversation? how to achieve that?

I created a role as below and attached roleid to the coversation participant. So how to validate the participant not to send message in this conversation ?

{ "sid": "RL1XX", "type": "CONVERSATION", "permissions": [ "leaveConversation" ], "url": "https://conversations.twilio.com/v1/Roles/RLXX", "accountSid": "ACXX", "chatServiceSid": "ISXX", "friendlyName": "patient_basic", "dateCreated": 1675238559.000000000, "dateUpdated": 1675238559.000000000 }

How to implement role validations in twilio conversations?