OP#78 define is added and tested working

manifests/custom/custom_config.pp

@@ -6,6 +6,13 @@
 #   (without .conf extension)
 # @param [Array[String]] config_content array of configuration lines to 
 #   include in the custom config
+# @example
+#   confdroid_ssh::custom::custom_config { '50-test':
+#    config_name    => '50-test',
+#    config_content => ['PasswordAuthentication no'],
+#  }
+# this will create a file called /etc/ssh/sshd_config.d/50-test.conf with the content:
+#   PasswordAuthentication no and notify the sshd service to reload the configuration
 ##############################################################################
 define confdroid_ssh::custom::custom_config (
 
@@ -17,11 +24,10 @@ define confdroid_ssh::custom::custom_config (
   $sshd_service      = $confdroid_ssh::params::sshd_service
   $custom_config_erb = 'confdroid_ssh/custom_config.erb'
   $config_basename   = regsubst($config_name, '\\.conf$', '')
-  $config_file       = "${config_basename}.conf"
+  $config_file       = "${config_name}.conf"
 
   file { "${sshd_custom_path}/${config_file}":
     ensure   => file,
-    content  => template($custom_config_erb),
     owner    => 'root',
     group    => 'root',
     mode     => '0600',
@@ -29,6 +35,7 @@ define confdroid_ssh::custom::custom_config (
     selrole  => object_r,
     seltype  => etc_t,
     seluser  => system_u,
+    content  => template($custom_config_erb),
     notify   => Service[$sshd_service],
   }
 }