diff --git a/appstoreconnect/api.py b/appstoreconnect/api.py
index d041025..a9f7751 100644
--- a/appstoreconnect/api.py
+++ b/appstoreconnect/api.py
@@ -591,28 +591,36 @@ def get_build_info(self, build_id):
 		return self._get_resource(Build, build_id)
 
 	# appStoreVersions localization
-	def get_app_store_version_localizations(self, appstoreversion_id):
-		full_url = BASE_API + f"/v1/appStoreVersions/{appstoreversion_id}/appStoreVersionLocalizations"
+	def list_app_store_version_localizations(self, appstoreversion):
+		"""
+		:reference: https://developer.apple.com/documentation/appstoreconnectapi/list_all_app_store_version_localizations_for_an_app_store_version
+		:return: an iterator over AppStoreVersionLocalization resources
+		"""
+		full_url = BASE_API + f"/v1/appStoreVersions/{appstoreversion.id}/appStoreVersionLocalizations"
 		return self._get_resources(AppStoreVersionLocalization, None, None, full_url)
 
-	def modify_app_store_version_localization(self, AppStoreVersionLocalizations, attributes):
+	def modify_app_store_version_localization(self, app_store_version_localization: AppStoreVersionLocalization, description: str, keywords: str, marketingUrl: str, promotionalText: str, supportUrl: str, whatsNew: str ):
 		"""
 		:reference: https://developer.apple.com/documentation/appstoreconnectapi/modify_an_app_store_version_localization
 		:return: an iterator over AppInfoLocalization resources
 		"""
-		return self._modify_resource(AppStoreVersionLocalizations, attributes)
+		return self._modify_resource(app_store_version_localization, locals())
 
 	# appStoreInfo localization
-	def get_app_store_info_localization(self, app_information):
+	def list_app_store_info_localizations(self, app_information):
+		"""
+		:reference: https://developer.apple.com/documentation/appstoreconnectapi/list_all_app_info_localizations_for_an_app_info
+		:return: an iterator over AppInfoLocalization resources
+		"""
 		full_url = BASE_API + f"/v1/appInfos/{app_information.id}/appInfoLocalizations"
 		return self._get_resources(AppInfoLocalization, None, None, full_url)
 
-	def modify_app_store_info_localization(self, AppInfoLocalization, attributes):
+	def modify_app_store_info_localization(self, app_info_localization: AppInfoLocalization, name: str, privacyPolicyUrl: str, subtitle: str):
 		"""
 		:reference: https://developer.apple.com/documentation/appstoreconnectapi/modify_an_app_info_localization
 		:return: an iterator over AppInfoLocalization resources
 		"""
-		return self._modify_resource(AppInfoLocalization, attributes)
+		return self._modify_resource(app_info_localization, locals())
 
 	# App Metadata
 	def modify_app_store_version(self, app_store_version: AppStoreVersion, versionString: str, copyright: str, build: Build = None):
@@ -637,6 +645,7 @@ def read_app_category_info(self, app_category_id):
 		return self._get_resource(AppCategory, app_category_id)
 
 	# App info Resources
+
 	def modify_app_info(self, app_information: AppInfo, primaryCategory: str = None, secondaryCategory:str = None):
 		"""
 		:reference: https://developer.apple.com/documentation/appstoreconnectapi/modify_an_app_info