diff -r a2342f26c9de -r b0b56e0f8c7f dev/provisioning/modules/apache/manifests/peruser/multiplexer.pp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dev/provisioning/modules/apache/manifests/peruser/multiplexer.pp	Fri Jan 15 15:35:00 2016 +0100
@@ -0,0 +1,17 @@
+define apache::peruser::multiplexer (
+  $user = $::apache::user,
+  $group = $::apache::group,
+  $file = undef,
+) {
+  if ! $file {
+    $filename = "${name}.conf"
+  } else {
+    $filename = $file
+  }
+  file { "${::apache::mod_dir}/peruser/multiplexers/${filename}":
+    ensure  => file,
+    content => "Multiplexer ${user} ${group}\n",
+    require => File["${::apache::mod_dir}/peruser/multiplexers"],
+    notify  => Class['apache::service'],
+  }
+}