added check for pointer value to MapParams

struct_utils/map_params.go

@@ -44,6 +44,8 @@ func addStructParams(params map[string]string, structValue reflect.Value) {
 				if t.Field(i).Type.Kind() == reflect.Slice {
 					jsonValue, _ := json.Marshal(structValue.Field(i).Interface())
 					params[jsonTags[0]] = string(jsonValue)
+				} else if t.Field(i).Type.Kind() == reflect.Ptr {
+					params[jsonTags[0]] = fmt.Sprintf("%v", structValue.Field(i).Elem())
 				} else {
 					params[jsonTags[0]] = fmt.Sprintf("%v", structValue.Field(i).Interface())
 				}