Optional authPlivo Auth ID (account identifier). Required.
Optional authPlivo Auth Token. If omitted, the credential field is used.
Optional phonePlivo sender number / short code / sender id used as src. Required.
Optional webhookExternally-visible message URL Plivo signs; used to verify inbound webhooks.
Optional verifySet to the string 'false' to disable inbound signature verification.
Platform-specific parameters for a Plivo SMS connection.