diff --git a/src/aosm/azext_aosm/_configuration.py b/src/aosm/azext_aosm/_configuration.py
index cd5a6ed3116..0bcd9eaedeb 100644
--- a/src/aosm/azext_aosm/_configuration.py
+++ b/src/aosm/azext_aosm/_configuration.py
@@ -1,5 +1,5 @@
-from dataclasses import dataclass
-from typing import Optional, Any
+from dataclasses import dataclass, field
+from typing import Optional, Any, List
 from azure.cli.core.azclierror import ValidationError, InvalidArgumentValueError
 from ._constants import VNF, CNF, NSD
 
@@ -63,11 +63,25 @@ def __post_init__(self):
         if isinstance(self.vhd, dict):
             self.vhd = ArtifactConfig(**self.vhd)
 
+@dataclass
+class HelmPackageConfig:
+    name: str = "Name of the Helm package"
+    path_to_chart: str = "Path to the Helm chart"
+    depends_on: List[str] = field(default_factory=lambda: ["Names of the Helm packages this package depends on"])
 
-    @property
-    def sa_manifest_name(self) -> str:
-        """Return the Storage account manifest name from the NFD name."""
-        return f"{self.nf_name}-sa-manifest-{self.version.replace('.', '-')}"
+@dataclass
+class CNFConfiguration(Configuration):
+    helm_packages: List[Any] = field(default_factory=lambda: [HelmPackageConfig()])
+
+    def __post_init__(self):
+        """
+        Cope with deserializing subclasses from dicts to HelmPackageConfig.
+        
+        Used when creating CNFConfiguration object from a loaded json config file.
+        """
+        for package in self.helm_packages:
+            if isinstance(package, dict):
+                package = HelmPackageConfig(**dict(package))
 
 
 def get_configuration(definition_type, config_as_dict=None) -> Configuration:
@@ -78,7 +92,7 @@ def get_configuration(definition_type, config_as_dict=None) -> Configuration:
     if definition_type == VNF:
         config = VNFConfiguration(**config_as_dict)
     elif definition_type == CNF:
-        config = Configuration(**config_as_dict)
+        config = CNFConfiguration(**config_as_dict)
     elif definition_type == NSD:
         config = Configuration(**config_as_dict)
     else:
diff --git a/src/aosm/azext_aosm/custom.py b/src/aosm/azext_aosm/custom.py
index f0fdf3a43ba..0382c9f59df 100644
--- a/src/aosm/azext_aosm/custom.py
+++ b/src/aosm/azext_aosm/custom.py
@@ -69,7 +69,7 @@ def build_definition(
             print("TODO - cannot publish CNF or NSD yet.")
 
 
-def generate_definition_config(_, definition_type, output_file="input.json"):
+def generate_definition_config(definition_type, output_file="input.json"):
     config = get_configuration(definition_type)
     config_as_dict = json.dumps(asdict(config), indent=4)
 
diff --git a/src/aosm/azext_aosm/deploy/deploy_with_arm.py b/src/aosm/azext_aosm/deploy/deploy_with_arm.py
index c669578b5c4..08b5a723d07 100644
--- a/src/aosm/azext_aosm/deploy/deploy_with_arm.py
+++ b/src/aosm/azext_aosm/deploy/deploy_with_arm.py
@@ -132,7 +132,7 @@ def construct_vnfd_parameters(self) -> Dict[str, Any]:
             "nfDefinitionGroup": {"value": self.config.nfdg_name},
             "nfDefinitionVersion": {"value": self.config.version},
             "vhdName": {"value": self.config.vhd.artifact_name},
-            "vhdVersion": {"value": self.config.vhd.version.},
+            "vhdVersion": {"value": self.config.vhd.version},
             "armTemplateName": {"value": self.config.arm_template.artifact_name},
             "armTemplateVersion": {"value": self.config.arm_template.version},
         }