From 8839c03865f02cf9c98443f4e07ac477985151ed Mon Sep 17 00:00:00 2001
From: Troy Morehouse <troymore@nbnet.nb.ca>
Date: Tue, 12 Dec 2017 05:28:30 -0400
Subject: dropdown: add boundary config option (#24976)

---
 docs/4.0/components/dropdowns.md | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'docs')

diff --git a/docs/4.0/components/dropdowns.md b/docs/4.0/components/dropdowns.md
index cde123b00..926729a3d 100644
--- a/docs/4.0/components/dropdowns.md
+++ b/docs/4.0/components/dropdowns.md
@@ -723,9 +723,17 @@ Options can be passed via data attributes or JavaScript. For data attributes, ap
       <td>true</td>
       <td>Allow Dropdown to flip in case of an overlapping on the reference element. For more information refer to Popper.js's <a href="https://popper.js.org/popper-documentation.html#modifiers..flip.enabled">flip docs</a>.</td>
     </tr>
+    <tr>
+      <td>boundary</td>
+      <td>string | element</td>
+      <td>'scrollParent'</td>
+      <td>Overflow constraint boundary of the dropdown menu. Accepts the values of <code>'viewport'</code>, <code>'window'</code>, <code>'scrollParent'</code>, or an HTMLElement reference (JavaScript only). For more information refer to Popper.js's <a href="https://popper.js.org/popper-documentation.html#modifiers..preventOverflow.boundariesElement">preventOverflow docs</a>.</td>
+    </tr>
   </tbody>
 </table>
 
+Note when `boundary` is set to any value other than `'scrollParent'`, the style `position: static` is applied to the `.dropdown` container.
+
 ### Methods
 
 | Method | Description |
-- 
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