This workshop provided participants with an overview of the Community Park Audit Tool (eCPAT) app and its utility in advocacy and community change efforts. The first segment of the workshop included an overview of research on advocacy, technology and civic engagement, and parks and physical activity. Part 2 consisted of an introduction to the eCPAT, including its development and content. Part 3 included onsite use of the eCPAT and debriefing in a local park. The final part of the workshop was an interactive discussion about how the eCPAT and similar tools can be used for advocacy and environmental change to promote public health.