diff --git a/packit_service/config.py b/packit_service/config.py
index 4c21cac1a..06dfe7d01 100644
--- a/packit_service/config.py
+++ b/packit_service/config.py
@@ -109,6 +109,8 @@ def __init__(
         comment_command_prefix: str = "/packit",
         redhat_api_refresh_token: str = None,
         package_config_path_override: Optional[str] = None,
+        command_handler_storage_class: Optional[str] = None,
+        appcode: Optional[str] = None,
         **kwargs,
     ):
         super().__init__(**kwargs)
@@ -173,6 +175,12 @@ def __init__(
         # default names.
         self.package_config_path_override = package_config_path_override
 
+        # Storage class that is used for temporary volumes used by Sandcastle
+        self.command_handler_storage_class = command_handler_storage_class
+
+        # Appcode used in MP+ to differentiate applications
+        self.appcode = appcode
+
     service_config = None
 
     def __repr__(self):
diff --git a/packit_service/schema.py b/packit_service/schema.py
index 3277bf21d..0bd761ea8 100644
--- a/packit_service/schema.py
+++ b/packit_service/schema.py
@@ -81,6 +81,8 @@ class ServiceConfigSchema(UserConfigSchema):
     enabled_projects_for_srpm_in_copr = fields.List(fields.String())
     comment_command_prefix = fields.String()
     package_config_path_override = fields.String()
+    command_handler_storage_class = fields.String(missing="gp2")
+    appcode = fields.String()
 
     @post_load
     def make_instance(self, data, **kwargs):