Save sent contract PDFs to storage and notify team channel

Sent contract PDFs often stay only in the signing app, delaying billing and onboarding when not stored centrally. It archives the PDF and alerts billing and operations for same-day action.

Overview

When signed documents live only in the signing portal, billing and onboarding stall and staff waste time locating files. This flow captures the PDF, stores it centrally, and alerts operations so contracts are ready for billing and onboarding same day.