Find a value in Kotlin Data Class i'm actually new to Kotlin android development. I'm making an app that uses Google sheets as a database. My app can successfully run after Google sign in. In fact I want my user to sign in to app, if their email ID is present in the Emails sheet in the Google sheet. So I have done following steps in my code so far. Sign in user with Google Sign In Retrieve data from "Emails" sheet in my Google Spreadsheet Then store them in to a data class (Customers data class in Shipment.kt) this is where I...