diff --git a/docs/dcc-selectbox.md b/docs/dcc-selectbox.md
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@@ -0,0 +1,25 @@
+# Data Controller for SAS® - Selectboxes
+
+## Overview
+To ensure data validity and to improve user experience, it is possible to predesignate specific values for data entry.  These appear to the user as a selectbox within the editor interface.
+
+## Configuration
+
+Values are added by populating the `DATACTRL.MPE_SELECTBOX` table, eg below:
+
+![selectboxtable](img/mpe_selectboxtable.png)
+
+### BASE_LIBDS
+The library.dataset to which the selectbox needs to be applied
+
+### BASE_COLUMN
+The column in which the selectbox values will be entered
+
+### SELECTBOX_VALUE
+The actual values to be shown in the selectbox
+
+### SELECTBOX_ORDER
+The order in which the selectbox values should be displayed
+
+### SELECTBOX_TYPE
+Reserved for future use.
diff --git a/docs/img/mpe_selectboxtable.png b/docs/img/mpe_selectboxtable.png
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diff --git a/mkdocs.yml b/mkdocs.yml
index be6f48c..a7c3052 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -5,16 +5,18 @@ pages:
     - DC Overview: dc-overview.md
     - DC User Guide: dc-userguide.md
 - Configuring Data Controller:
-    - Adding Tables: dcc-tables.md
+    - Tables: dcc-tables.md
     - Security: dcc-security.md
-
+    - Selectboxes: dcc-selectbox.md
 
 markdown_extensions:
  - admonition
  - pymdownx.superfences
  - codehilite
  - fontawesome_markdown
+
 extra_css: ['font-awesome.css']
+
 theme: 
   name: material 
   logo: 'img/favicon.ico'