From d4b5de95c016c5fafdabf7243a918a9fe1b0d741 Mon Sep 17 00:00:00 2001
From: eastargh <eastarnv@naver.com>
Date: Wed, 23 Sep 2026 10:34:12 +0900
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---
 .../templates/views/apps/service/webhook-dev-guide.html  | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main/resources/templates/views/apps/service/webhook-dev-guide.html b/src/main/resources/templates/views/apps/service/webhook-dev-guide.html
index 64ddc2b..68fe242 100644
--- a/src/main/resources/templates/views/apps/service/webhook-dev-guide.html
+++ b/src/main/resources/templates/views/apps/service/webhook-dev-guide.html
@@ -230,10 +230,13 @@
   <span class="o2leg-c">"eventId"</span>: <span class="o2leg-y">"f47ac10b-58cc-4372-a567-0e02b2c3d479"</span>,
   <span class="o2leg-c">"timestamp"</span>: <span class="o2leg-p">1723600000000</span>,
   <span class="o2leg-c">"message"</span>: <span class="o2leg-y">"DB 점검으로 15분간 서비스가 중단됩니다."</span>,
+  <span class="o2leg-c">"scheduledStartAt"</span>: <span class="o2leg-y">"202609231535"</span>,
+  <span class="o2leg-c">"scheduledEndAt"</span>: <span class="o2leg-y">"202609231625"</span>,
   <span class="o2leg-c">"data"</span>: [ <span class="o2leg-y">"TESTCASE003S1"</span>, <span class="o2leg-y">"TESTCASE005S1"</span> ]
 }
 
-<span class="o2leg-g"># eventId: 발송 건 고유 ID · message: 관리자가 입력한 안내 문구(자유텍스트, 생략될 수 있음) · data: 영향 API 목록</span></pre>
+<span class="o2leg-g"># eventId: 발송 건 고유 ID · message: 관리자가 입력한 안내 문구(자유텍스트, 생략될 수 있음) · scheduledStartAt: 점검시작일시 · scheduledEndAt: 점검종료일시 · data: 영향 API 목록</span>
+</pre>
                             </div>
                         </div>
                     </section>
@@ -348,6 +351,10 @@ valid    = constantTimeEquals(received, expected)</pre>
                                         </tr>
                                     </thead>
                                     <tbody>
+                                        <tr>
+                                            <td><code>CHECK_NOTICE</code></td>
+                                            <td>점검 예정</td>
+                                        </tr>
                                         <tr>
                                             <td><code>CHECK_START</code></td>
                                             <td>점검 시작</td>