diff --git a/CHANGELOG.md b/CHANGELOG.md
index 051f372..95b3ea8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 0.1.13
+
+* added **eypconf_projectid**
+
 ## 0.1.12
 
 * added **yesno2bool** function
diff --git a/lib/facter/eypconf_projectid.rb b/lib/facter/eypconf_projectid.rb
new file mode 100644
index 0000000..25b2003
--- /dev/null
+++ b/lib/facter/eypconf_projectid.rb
@@ -0,0 +1,25 @@
+if File.exists?('/opt/eypconf/id/projectid.sh') then
+  userid = Facter::Util::Resolution.exec('bash /opt/eypconf/id/projectid.sh').to_s
+else
+  userid = Facter::Util::Resolution.exec('bash -c \'if [ -f /opt/eypconf/id/projectid ]; then cat /opt/eypconf/id/projectid | paste -sd,; fi\'').to_s
+end
+
+unless userid.nil? or userid.empty?
+  Facter.add('eypconf_projectid') do
+      setcode do
+        userid
+      end
+  end
+
+  Facter.add('eypconf_projectid_uppercase') do
+      setcode do
+        userid.upcase
+      end
+  end
+
+  Facter.add('eypconf_projectid_lowercase') do
+      setcode do
+        userid.downcase
+      end
+  end
+end