diff --git a/pyhon/appliance.py b/pyhon/appliance.py
index 0d0064e..ef73cd0 100644
--- a/pyhon/appliance.py
+++ b/pyhon/appliance.py
@@ -281,8 +281,7 @@ class HonAppliance:
         self,
         main: str,
         target: Optional[List[str] | str] = None,
-        mandatory_only: bool = False,
-        target_parameters: Optional[List[str]] = None,
+        to_sync: Optional[List[str] | bool] = None,
     ) -> None:
         base: Optional[HonCommand] = self.commands.get(main)
         if not base:
@@ -294,13 +293,11 @@ class HonAppliance:
             for name, target_param in data.parameters.items():
                 if not (base_param := base.parameters.get(name)):
                     continue
-
-                if mandatory_only and not target_param.mandatory:
+                if to_sync and (
+                    (isinstance(to_sync, list) and name not in to_sync)
+                    or not target_param.mandatory
+                ):
                     continue
-
-                if target_parameters and name not in target_parameters:
-                    continue
-
                 self.sync_parameter(base_param, target_param)
 
     def sync_parameter(self, main: Parameter, target: Parameter) -> None: