diff --git a/phosphor-power-supply/util_base.hpp b/phosphor-power-supply/util_base.hpp
index 194ddff..7ae362c 100644
--- a/phosphor-power-supply/util_base.hpp
+++ b/phosphor-power-supply/util_base.hpp
@@ -43,6 +43,7 @@
     virtual ~GPIOInterface() = default;
 
     virtual int read() = 0;
+    virtual std::string getName() const = 0;
 };
 
 } // namespace phosphor::power::psu