diff --git a/vitruvio-form-common-attrs.xsd b/vitruvio-form-common-attrs.xsd
index f5f7fe1..ff633d9 100644
--- a/vitruvio-form-common-attrs.xsd
+++ b/vitruvio-form-common-attrs.xsd
@@ -154,6 +154,7 @@
 	<xs:attribute name="processVariable" type="xs:boolean" />
 	<xs:attribute name="enabled" type="xs:boolean" />
 	<xs:attribute name="bulkRequired" type="xs:boolean" />
+	<xs:attribute name="retrieveLastValue" type="xs:boolean" />
 </xs:attributeGroup>
 
 <xs:attributeGroup name="stringFieldAttrs">