diff --git a/pyhon/commands.py b/pyhon/commands.py
index 1878f8a..6fad60a 100644
--- a/pyhon/commands.py
+++ b/pyhon/commands.py
@@ -2,12 +2,12 @@ from pyhon.parameter import HonParameterFixed, HonParameterEnum, HonParameterRan
 
 
 class HonCommand:
-    def __init__(self, name, attributes, connector, device, multi=None, category=""):
+    def __init__(self, name, attributes, connector, device, multi=None, program=""):
         self._connector = connector
         self._device = device
         self._name = name
         self._multi = multi or {}
-        self._category = category
+        self._program = program
         self._description = attributes.get("description", "")
         self._parameters = self._create_parameters(attributes.get("parameters", {}))
         self._ancillary_parameters = self._create_parameters(attributes.get("ancillaryParameters", {}))
diff --git a/pyhon/device.py b/pyhon/device.py
index 9157e0c..5e2b8c4 100644
--- a/pyhon/device.py
+++ b/pyhon/device.py
@@ -92,9 +92,10 @@ class HonDevice:
                 commands[command] = HonCommand(command, attr, self._connector, self)
             elif "parameters" in attr[list(attr)[0]]:
                 multi = {}
-                for category, attr2 in attr.items():
-                    cmd = HonCommand(command, attr2, self._connector, self, multi=multi, category=category)
-                    multi[category] = cmd
+                for program, attr2 in attr.items():
+                    program = program.split(".")[-1].lower()
+                    cmd = HonCommand(command, attr2, self._connector, self, multi=multi, program=program)
+                    multi[program] = cmd
                     commands[command] = cmd
         self._commands = commands
 
diff --git a/pyhon/parameter.py b/pyhon/parameter.py
index ca14b43..361d05d 100644
--- a/pyhon/parameter.py
+++ b/pyhon/parameter.py
@@ -93,7 +93,7 @@ class HonParameterEnum(HonParameter):
 
     @property
     def values(self):
-        return [str(value) for value in self._values]
+        return sorted([str(value) for value in self._values])
 
     @property
     def value(self):
@@ -111,7 +111,7 @@ class HonParameterProgram(HonParameterEnum):
     def __init__(self, key, command):
         super().__init__(key, {})
         self._command = command
-        self._value = command._category
+        self._value = command._program
         self._values = command._multi
         self._typology = "enum"