diff --git a/src/aibs_informatics_cdk_lib/constructs_/batch/launch_template.py b/src/aibs_informatics_cdk_lib/constructs_/batch/launch_template.py
index 8bc7b06..9bfd73c 100644
--- a/src/aibs_informatics_cdk_lib/constructs_/batch/launch_template.py
+++ b/src/aibs_informatics_cdk_lib/constructs_/batch/launch_template.py
@@ -42,7 +42,6 @@ class BatchLaunchTemplateBuilder(IBatchLaunchTemplateBuilder["BatchLaunchTemplat
     def grant_instance_role_permissions(self, instance_role: iam.Role):
         pass
 
-    @abstractmethod
     def create_launch_template(
         self,
         descriptor: IBatchEnvironmentDescriptor,
diff --git a/src/aibs_informatics_cdk_lib/constructs_/external_sns_trigger.py b/src/aibs_informatics_cdk_lib/constructs_/external_sns_trigger.py
index bb7f599..24335fc 100644
--- a/src/aibs_informatics_cdk_lib/constructs_/external_sns_trigger.py
+++ b/src/aibs_informatics_cdk_lib/constructs_/external_sns_trigger.py
@@ -21,6 +21,10 @@ def __init__(
         external_sns_event_name: Union[str, ResourceNameBaseEnum],
         external_sns_topic_arn: str,
         external_sns_event_queue_filters: Optional[Sequence[Mapping[str, Any]]] = None,
+        external_sns_event_queue_name: Optional[str] = None,
+        external_sns_event_dlq_name: Optional[str] = None,
+        external_sns_event_queue_retention_period: Optional[cdk.Duration] = cdk.Duration.days(7),
+        sqs_event_source_enabled: Optional[bool] = None,
         **kwargs,
     ) -> None:
         """This intended to be a generic CDK construct that defines resources necessary to
@@ -59,7 +63,17 @@ def __init__(
         """
         super().__init__(scope=scope, id=id)
 
-        external_sns_event_dlq_name = env_base.prefixed(external_sns_event_name, "sns-event-dlq")
+        if external_sns_event_queue_name is None:
+            external_sns_event_queue_name = env_base.prefixed(
+                external_sns_event_name, "sns-event-queue"
+            )
+        if external_sns_event_dlq_name is None:
+            external_sns_event_dlq_name = env_base.prefixed(
+                external_sns_event_name, "sns-event-dlq"
+            )
+        if sqs_event_source_enabled is None:
+            sqs_event_source_enabled = env_base.env_type is EnvType.PROD
+
         self.external_sns_event_dlq = sqs.Queue(
             scope=self,
             id=env_base.get_construct_id(external_sns_event_name, "sns-event-dlq"),
@@ -71,7 +85,7 @@ def __init__(
             scope=self,
             id=env_base.get_construct_id(external_sns_event_name, "sns-event-queue"),
             queue_name=env_base.prefixed(external_sns_event_name, "sns-event-queue"),
-            retention_period=cdk.Duration.days(7),
+            retention_period=external_sns_event_queue_retention_period,
             dead_letter_queue=sqs.DeadLetterQueue(
                 max_receive_count=2,
                 queue=self.external_sns_event_dlq,
@@ -103,7 +117,7 @@ def __init__(
                 queue=self.external_sns_event_queue,
                 report_batch_item_failures=True,
                 filters=external_sns_event_queue_filters,
-                enabled=(env_base.env_type is EnvType.PROD),
+                enabled=sqs_event_source_enabled,
             )
         )
         self.external_sns_event_queue.grant_consume_messages(triggered_lambda_fn)