diff --git a/README.md b/README.md
index faef4d7..1634ebd 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,9 @@
     - [Adding contacts](#adding-contacts)
     - [Adding contact groups](#adding-contact-groups)
     - [Adding host groups](#adding-host-groups)
+    - [Adding service groups](#adding-service-groups)
+    - [adding time periods](#adding-time-periods)
+    - [adding custom commands](#adding-custom-commands)
   - [PuppetDB](#puppetdb)
   - [SELINUX](#selinux)
   - [Support](#support)
@@ -147,6 +150,18 @@ In order to add host groups, address the define `confdroid_nagios::nagios::objec
 
 Hosts will be populated through the target.pp dynamically.
 
+### Adding service groups
+
+ToDo
+
+### adding time periods
+
+ToDo
+
+### adding custom commands
+
+ToDo
+
 ## PuppetDB
 
 A working instance of PuppetDB connected to the Puppet master is required for this to work. Installation and configuration of PuppetDB is out of scope for this module, however [cd_puppetdb](https://gitlab.confdroid.com/puppet/cd_puppetdb) is available to automate this task for you as well within a few minutes.