diff --git a/manifests/agent/php.pp b/manifests/agent/php.pp
index b54fa13..3e5d385 100644
--- a/manifests/agent/php.pp
+++ b/manifests/agent/php.pp
@@ -48,6 +48,7 @@
   $newrelic_ini_high_security                            = undef,
   $newrelic_ini_logfile                                  = undef,
   $newrelic_ini_loglevel                                 = undef,
+  $newrelic_ini_special                                  = undef,
   $newrelic_ini_transaction_tracer_custom                = undef,
   $newrelic_ini_transaction_tracer_detail                = undef,
   $newrelic_ini_transaction_tracer_enabled               = undef,
diff --git a/templates/newrelic.ini.erb b/templates/newrelic.ini.erb
index f7b178b..ca7bf01 100644
--- a/templates/newrelic.ini.erb
+++ b/templates/newrelic.ini.erb
@@ -741,3 +741,12 @@ newrelic.webtransaction.name.files = "<%= @newrelic_ini_webtransaction_name_file
 ;
 ;newrelic.browser_monitoring.attributes.include = ""
 ;newrelic.browser_monitoring.attributes.exclude = ""
+
+;
+; Setting: newrelic.special
+; Type   : string
+; Default: empty
+; Info   : NewRelic hidden setting
+<%- if scope['::newrelic::agent::php::newrelic_ini_special'] -%>
+newrelic.special = <%= scope['::newrelic::agent::php::newrelic_ini_special'] %>
+<%- end -%>