diff --git a/manifests/nagios/objects/add_contactgroups.pp b/manifests/nagios/objects/add_contactgroups.pp
index 3bc3c32..b5e6fb0 100644
--- a/manifests/nagios/objects/add_contactgroups.pp
+++ b/manifests/nagios/objects/add_contactgroups.pp
@@ -23,15 +23,21 @@
 ################################################################################
 define cd_nagios::nagios::objects::add_contactgroups (
 
+$ng_contactgroup_name     = undef,
+$ng_contactgroup_alias    = undef,
+$ng_contactgroup_register = '1',
 
 ) {
 
-$ng_nagios_server == $::cd_nagios::params::ng_nagios_server
+$ng_nagios_server         = $::cd_nagios::params::ng_nagios_server
+$ng_tgt_contactgroup_add  = $::cd_nagios::params::ng_tgt_contactgroup_add
+
 
   if $::fqdn == $ng_nagios_server {
 
-
-
-
+    concat::fragment { $name:
+      target    =>  $ng_tgt_contactgroup_add,
+      content   =>  template($ng_contacts_rule_erb),
+    }
   }
 }
diff --git a/manifests/nagios/objects/add_contactgroups_rules.pp b/manifests/nagios/objects/add_contactgroups_rules.pp
new file mode 100644
index 0000000..a50e671
--- /dev/null
+++ b/manifests/nagios/objects/add_contactgroups_rules.pp
@@ -0,0 +1,66 @@
+## cd_nagios::nagios::objects::add_contactgroups_rules.pp
+# Module name: cd_nagios
+# Author: Arne Teuke (arne_teuke@ConfDroid.com)
+# # License:
+#    This file is part of cd_nagios.
+#
+#    cd_nagios is used for providing automatic configuration of Nagios
+#    Copyright (C) 2016  ConfDroid (copyright@ConfDroid.com)
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# @summary  Class manages /etc/nagios/conf.d/nagios_add_contactgroups.cfg file
+#   and populates through define and external puppet rules
+# @example
+#   cd_nagios::nagios::objects::add_contactgroups { 'example_group':
+#     ng_contactgroup_name      =>  'example_group',
+#     ng_contactgroup_alias     =>  'Example Group',
+#     ng_contactgroup_register  '1',
+#   }
+################################################################################
+class cd_nagios::nagios::objects::add_contactgroups_rules (
+
+
+) inherits cd_nagios::params {
+
+  if $::fqdn == $ng_nagios_server {
+
+    # manage /etc/nagios/conf.d/nagios_add_contactgroups.cfg
+
+    concat { $ng_tgt_contactgroup_add:
+      ensure    =>  present,
+      path      =>  $ng_tgt_contactgroup_add,
+      owner     =>  $ng_user,
+      group     =>  $ng_user,
+      mode      =>  '0640',
+      selrange  =>  s0,
+      selrole   =>  object_r,
+      seltype   =>  nagios_etc_t,
+      seluser   =>  system_u,
+      notify    =>  Service[$ng_service],
+    }
+
+    # manage file header
+
+    concat::fragment { 'contactgroups_header':
+      target    =>  $ng_tgt_contactgroup_add,
+      content   =>  template($ng_cntctgrps_head_erb),
+      order     =>  '000',
+    }
+
+    cd_nagios::nagios::objects::add_contactgroups { 'example_group':
+      ng_contactgroup_name      =>  'example_group',
+      ng_contactgroup_alias     =>  'Example Group',
+      ng_contactgroup_register  '1',
+    }
+  }
+}
diff --git a/manifests/params.pp b/manifests/params.pp
index 37d50c5..1589b8a 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -976,6 +976,9 @@ $ng_target_add_contact    = "${ng_conf_d_dir}/nagios_add_contact.cfg"
 $ng_contacts_head_erb     = 'cd_nagios/nagios/contacts_cfg_head.erb'
 $ng_contacts_rule_erb     = 'cd_nagios/nagios/contacts_cfg_rule.erb'
 $ng_tgt_contactgroup_base = "${ng_conf_d_dir}/nagios_contactgroup_base.cfg"
+$ng_tgt_contactgroup_add  = "${ng_conf_d_dir}/nagios_contactgroup_add.cfg"
+$ng_cntctgrps_head_erb    = 'cd_nagios/nagios/contactgroups_cfg_head.erb'
+$ng_cntctgrps_rule_erb    = 'cd_nagios/nagios/contactgroups_cfg_rule.erb'
 $ng_target_command        = "${ng_conf_d_dir}/nagios_command.cfg"
 
 
diff --git a/templates/nagios/contactgroups_cfg_head.erb b/templates/nagios/contactgroups_cfg_head.erb
new file mode 100644
index 0000000..31e8a7b
--- /dev/null
+++ b/templates/nagios/contactgroups_cfg_head.erb
@@ -0,0 +1,8 @@
+###############################################################################
+##########     nagios_add_contactgroups.cfg created by Puppet        ##########
+##########            manual changes are overwritten!                ##########
+###############################################################################
+##########        Full reference file available at                   ##########
+##########      https://confdroid.com/2017/07/nagios-contacts-cfg/   ##########
+###############################################################################
+# rules are created below by external puppet rules.
diff --git a/templates/nagios/contactgroups_cfg_rule.erb b/templates/nagios/contactgroups_cfg_rule.erb
new file mode 100644
index 0000000..f4bbd98
--- /dev/null
+++ b/templates/nagios/contactgroups_cfg_rule.erb
@@ -0,0 +1,5 @@
+define contactgroup {
+  contactgroup_name   <%= @ng_contactgroup_name %>
+  alias               <%= @ng_contactgroup_alias %>
+  register            <%= @ng_contactgroup_register %>
+  }
diff --git a/templates/nagios/contacts_cfg.erb b/templates/nagios/contacts.cfg
similarity index 100%
rename from templates/nagios/contacts_cfg.erb
rename to templates/nagios/contacts.cfg