diff --git a/application/datamodel.application.xml b/application/datamodel.application.xml
index 8095c6368..c9799d60c 100644
--- a/application/datamodel.application.xml
+++ b/application/datamodel.application.xml
@@ -237,6 +237,27 @@
               </argument>
             </arguments>
           </method>
+          <method id="AddValue">
+            <arguments>
+              <argument id="1">
+                <type>attcode</type>
+                <mandatory>true</mandatory>
+                <type_restrictions>
+                  <operation>allow</operation>
+                  <types>
+                    <type id="AttributeInteger"/>
+                    <type id="AttributeDecimal"/>
+                    <type id="AttributePercentage"/>
+                    <type id="AttributeDuration"/>
+                  </types>
+                </type_restrictions>
+              </argument>
+              <argument id="2">
+                <type>string</type>
+                <mandatory>false</mandatory>
+              </argument>
+            </arguments>
+          </method>
           <method id="SetCurrentDate">
             <arguments>
               <argument id="1">
diff --git a/core/dbobject.class.php b/core/dbobject.class.php
index 2523614eb..d168d40a4 100644
--- a/core/dbobject.class.php
+++ b/core/dbobject.class.php
@@ -3976,6 +3976,30 @@ abstract class DBObject implements iDisplay
 	public function SetCurrentDate($sAttCode)
 	{
 		$this->Set($sAttCode, time());
+
+		return true;
+	}
+
+	/**
+	 * Helper to add a value to the given attribute
+	 *
+	 * Suitable for use as a lifecycle action
+	 *
+	 * @api
+	 *
+	 * @param string $sAttCode
+	 * @param int|float $iValue
+	 *
+	 * @return bool
+	 *
+	 * @throws \CoreException
+	 * @throws \CoreUnexpectedValue
+	 * @since 3.0.0
+	 */
+	public function AddValue($sAttCode, $iValue = 1)
+	{
+		$this->Set($sAttCode, $this->Get($sAttCode) + $iValue);
+
 		return true;
 	}