This document provides an agenda for a refresher training on the eFHSIS 3.1 system update that will take place on March 29-30, 2022 in Romblon, Philippines. It outlines topics that will be covered, including updates to the eFHSIS system, indicators related to household access to safe water and sanitation services, environmental health and sanitation services data collection, and certification of barangays as having zero open defecation. The training is being conducted by the Department of Health Philippines' Center for Health Development for the MIMAROPA region.