diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp b/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
index 11a3f800b..0d12a25c3 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
@@ -399,3 +399,7 @@ int slsDetectorUsers::setFlowControl10G(int i) {
 int slsDetectorUsers::setTenGigabitEthernet(int i) {
     return myDetector->enableTenGigabitEthernet(i);
 }
+
+int slsDetectorUsers::getNMods() {
+    return myDetector->getNMods();
+}
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUsers.h b/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
index 9b6c2c297..b30e118d1 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
@@ -705,6 +705,12 @@ class slsDetectorUsers
     */
    int setTenGigabitEthernet(int i = -1);
 
+   /**
+    * returns total number of detector modules
+    * @returns the total number of detector modules
+    */
+   int getNMods();
+
   /************************************************************************
 
                            STATIC FUNCTIONS