diff --git a/SlicerLayoutButtons.s4ext b/SlicerLayoutButtons.s4ext
new file mode 100644
index 000000000..2df568513
--- /dev/null
+++ b/SlicerLayoutButtons.s4ext
@@ -0,0 +1,43 @@
+#
+# First token of each non-comment line is the keyword and the rest of the line
+# (including spaces) is the value.
+# - the value can be blank
+#
+
+# This is source code manager (i.e. svn)
+scm git
+scmurl https://github.com/QIICR/SlicerLayoutButtons.git
+scmrevision master
+
+# list dependencies
+# - These should be names of other modules that have .s4ext files
+# - The dependencies will be built first
+depends     SlicerDevelopmentToolbox
+
+# Inner build directory (default is ".")
+build_subdirectory .
+
+# homepage
+homepage https://github.com/QIICR/SlicerLayoutButtons
+
+# Firstname1 Lastname1 ([SubOrg1, ]Org1), Firstname2 Lastname2 ([SubOrg2, ]Org2)
+# For example: Jane Roe (Superware), John Doe (Lab1, Nowhere), Joe Bloggs (Noware)
+contributors Christian Herz (BWH, SPL), Andrey Fedorov (BWH, SPL)
+
+# Match category in the xml description of the module (where it shows up in Modules menu)
+category DICOM
+
+# url to icon (png, size 128x128 pixels)
+iconurl https://raw.githubusercontent.com/QIICR/SlicerLayoutButtons/master/Resources/Icons/SlicerLayoutButtons.png
+
+# Give people an idea what to expect from this code
+#  - Is it just a test or something you stand behind?
+status 
+
+# One line stating what the module does
+description This extension provides a user interface with buttons organized the same way as the Slicer slice views are aligned. The user can directly select foreground/background volume and label map to be displayed in the associated slice view.
+# Space separated list of urls
+screenshoturls https://raw.githubusercontent.com/QIICR/SlicerLayoutButtons/master/Resources/Screenshots/overview.png
+
+# 0 or 1: Define if the extension should be enabled after its installation.
+enabled 1