This document outlines an AT&T hackathon focused on developing innovative applications using Internet of Things technologies in areas like smart cities, public safety, and sustainability. It provides an overview of the event schedule, guidelines for participation, and scenarios for application ideas in each of the three focus areas. The document encourages participants to form teams and share ideas for new applications that could save money, improve decision-making and data use, enhance safety, or otherwise benefit government organizations and citizens. Representatives from AT&T, IBM, Intel, and other sponsors are available during the event to provide technical workshops and resources to support application development.