2 files changed, 2 insertions, 0 deletions

diff --git a/subprojects/language-model/src/main/resources/model/problem.ecore b/subprojects/language-model/src/main/resources/model/problem.ecore
index 8f1bc355..571d52f3 100644
--- a/subprojects/language-model/src/main/resources/model/problem.ecore
+++ b/subprojects/language-model/src/main/resources/model/problem.ecore
@@ -32,6 +32,7 @@
   </eClassifiers>
   <eClassifiers xsi:type="ecore:EClass" name="Parameter" eSuperTypes="#//Variable">
     <eStructuralFeatures xsi:type="ecore:EReference" name="parameterType" eType="#//Relation"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="modality" eType="#//Modality"/>
   </eClassifiers>
   <eClassifiers xsi:type="ecore:EClass" name="Variable" abstract="true" eSuperTypes="#//VariableOrNode"/>
   <eClassifiers xsi:type="ecore:EClass" name="Conjunction" eSuperTypes="#//ExistentialQuantifier">
diff --git a/subprojects/language-model/src/main/resources/model/problem.genmodel b/subprojects/language-model/src/main/resources/model/problem.genmodel
index fbaf9d65..1b72ecfd 100644
--- a/subprojects/language-model/src/main/resources/model/problem.genmodel
+++ b/subprojects/language-model/src/main/resources/model/problem.genmodel
@@ -54,6 +54,7 @@
     </genClasses>
     <genClasses ecoreClass="problem.ecore#//Parameter">
       <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference problem.ecore#//Parameter/parameterType"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute problem.ecore#//Parameter/modality"/>
     </genClasses>
     <genClasses ecoreClass="problem.ecore#//Variable"/>
     <genClasses ecoreClass="problem.ecore#//Conjunction">