diff --git a/modules/opencase_entities/config/schema/oc_case_type.schema.yml b/modules/opencase_entities/config/schema/oc_case_type.schema.yml
index 7a22f60..7c64e98 100644
--- a/modules/opencase_entities/config/schema/oc_case_type.schema.yml
+++ b/modules/opencase_entities/config/schema/oc_case_type.schema.yml
@@ -8,5 +8,8 @@ opencase_entities.oc_case_type.*:
     label:
       type: label
       label: 'Label'
+    allowedActivityTypes:
+      type: sequence
+      label: 'Allowed Activity Types'
     uuid:
       type: string
diff --git a/modules/opencase_entities/src/Entity/OCCaseType.php b/modules/opencase_entities/src/Entity/OCCaseType.php
index 61d098f..fb5f570 100644
--- a/modules/opencase_entities/src/Entity/OCCaseType.php
+++ b/modules/opencase_entities/src/Entity/OCCaseType.php
@@ -55,4 +55,10 @@ class OCCaseType extends ConfigEntityBundleBase implements OCCaseTypeInterface {
    */
   protected $label;
 
+  /**
+   * Activity types that can be attached to this type of case.
+   *
+   * @var array
+   */
+  protected $allowedActivityTypes;
 }
diff --git a/src/EntityTypeRelationsWidget.php b/src/EntityTypeRelationsWidget.php
index d9c1a5c..d82a5d1 100644
--- a/src/EntityTypeRelationsWidget.php
+++ b/src/EntityTypeRelationsWidget.php
@@ -25,6 +25,17 @@ class EntityTypeRelationsWidget {
       '#type' => 'checkboxes',
       '#options' => $options
     );
+    $activity_types = \Drupal::service('entity_type.bundle.info')->getBundleInfo('oc_activity');
+    $options = array();
+    foreach($activity_types as $machine_name => $info) {
+      $options[$machine_name] = $info['label'];
+    }
+    $form['allowed_activity_types'] = array(
+      '#title' => t('Activity types'),
+      '#description' => t('Types of activities that can be logged against this case.'),
+      '#type' => 'checkboxes',
+      '#options' => $options
+    );
     $form['actions']['submit']['#submit'][] = array($this, 'submit');
   }
 
@@ -37,6 +48,11 @@ class EntityTypeRelationsWidget {
     $case_type = $form['id']['#default_value'];
     $allowedActorTypes = EntityTypeRelations::getAllowedActorTypesForCaseType($case_type); 
     $form['allowed_actor_types']['#default_value'] = $allowedActorTypes;
+    $caseTypeConfig = \Drupal::entityTypeManager()->getStorage('oc_case_type')->load($case_type);
+    $allowedActivityTypes = $caseTypeConfig->get('allowedActivityTypes');
+    if ($allowedActivityTypes) {
+      $form['allowed_activity_types']['#default_value'] = $allowedActivityTypes;
+    }
   }
   
   /**
@@ -56,5 +72,8 @@ class EntityTypeRelationsWidget {
     }
     $base_field_override->setSetting('handler_settings', ['target_bundles' => $form_state->getValue('allowed_actor_types')]);
     $base_field_override->save();
+    $caseTypeConfig = \Drupal::entityTypeManager()->getStorage('oc_case_type')->load($case_type_machine_name);
+    $caseTypeConfig->set('allowedActivityTypes', $form_state->getValue('allowed_activity_types'));
+    $caseTypeConfig->save();
   }
 }