diff --git a/macros/plugins/snowflake/create_external_table.sql b/macros/plugins/snowflake/create_external_table.sql
index 2839fbaa..bdfcd9f4 100644
--- a/macros/plugins/snowflake/create_external_table.sql
+++ b/macros/plugins/snowflake/create_external_table.sql
@@ -51,6 +51,9 @@
     {% if external.auto_refresh in (true, false) -%}
       auto_refresh = {{external.auto_refresh}}
     {%- endif %}
+    {% if external.aws_sns_topic -%}
+      aws_sns_topic = '{{external.aws_sns_topic}}'
+    {%- endif %}
     {% if external.table_format | lower == "delta" %}
       refresh_on_create = false
     {% endif %}
diff --git a/sample_sources/snowflake.yml b/sample_sources/snowflake.yml
index 035f5335..59ecde22 100644
--- a/sample_sources/snowflake.yml
+++ b/sample_sources/snowflake.yml
@@ -84,4 +84,12 @@ sources:
           - name: id
             description: this is an id
           - name: name
-            description: and this is a name
\ No newline at end of file
+            description: and this is a name
+
+      - name: aws_sns_refresh_tbl
+        description: "External table using AWS SNS for auto-refresh"
+        external:
+          location: "@stage"                  # reference an existing external stage
+          file_format: "( type = csv )"   
+          # auto_refresh is assumed, setting to false is not supported
+          aws_sns_topic: "arn:aws:sns:us-east-1:123456789012:my_topic" # SNS topic ARN
\ No newline at end of file