modal.js

// Declare variables that will be used later in the code
var roomId;
var client;
var callee;
var sendbirdUser;

(async () => {
        client = await app.initialized()
        const context = await client.instance.context()
        callee = context.data.ticketCreatorData.contact
        agent = context.data.agentData.loggedInUser
        sendbirdUser = context.data.sendbirdUser
        initSendbirdCalls()
})()