diff --git a/liferay-social_7_4_0.dtd b/liferay-social_7_4_0.dtd
new file mode 100644
index 0000000..cfc61f8
--- /dev/null
+++ b/liferay-social_7_4_0.dtd
@@ -0,0 +1,68 @@
+<!--
+<!DOCTYPE liferay-social PUBLIC
+	"-//Liferay//DTD Social 7.4.0//EN"
+	"http://www.liferay.com/dtd/liferay-social_7_4_0.dtd">
+-->
+
+<!ELEMENT liferay-social (activity*)>
+
+<!ELEMENT activity (model-name, activity-type, language-key?, log-activity?,
+counters-enabled?, processor-class?, contribution-value?, contribution-limit?,
+contribution-limit-period?, participation-value?, participation-limit?,
+participation-limit-period?, counter*, achievement*)>
+
+<!ELEMENT model-name (#PCDATA)>
+
+<!ELEMENT activity-type (#PCDATA)>
+
+<!ELEMENT language-key (#PCDATA)>
+
+<!ELEMENT log-activity (#PCDATA)>
+
+<!ELEMENT counters-enabled (#PCDATA)>
+
+<!ELEMENT processor-class (#PCDATA)>
+
+<!ELEMENT contribution-value (#PCDATA)>
+
+<!ELEMENT contribution-limit (#PCDATA)>
+
+<!ATTLIST contribution-limit
+	enabled (true|false) "true"
+>
+
+<!ATTLIST contribution-limit
+	period (day|lifetime|period) "period"
+>
+
+<!ELEMENT participation-value (#PCDATA)>
+
+<!ELEMENT participation-limit (#PCDATA)>
+
+<!ATTLIST participation-limit
+	enabled (true|false) "true"
+>
+
+<!ATTLIST participation-limit
+	period (day|lifetime|period) "period"
+>
+
+<!ELEMENT counter (name, owner-type, enabled?, increment?)>
+
+<!ELEMENT name (#PCDATA)>
+
+<!ELEMENT owner-type (#PCDATA)>
+
+<!ELEMENT enabled (#PCDATA)>
+
+<!ELEMENT increment (#PCDATA)>
+
+<!ELEMENT achievement (name, achievement-class, icon, property*)>
+
+<!ELEMENT achievement-class (#PCDATA)>
+
+<!ELEMENT icon (#PCDATA)>
+
+<!ELEMENT property (name, value)>
+
+<!ELEMENT value (#PCDATA)>
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