diff --git a/CHANGELOG.md b/CHANGELOG.md
index f37300845a514df166edc18291f557a7072e6520..b946fe09b9686131a95ec0035b9a4017fcc43407 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Version 1.71 (not yet released)
 
+* Possible to have certain output types multiple times at a data processor.
+
 # Version 1.70
 
 * Regression fix dashlets not working anymore #122
diff --git a/CRM/Dataprocessor/Form/Output.php b/CRM/Dataprocessor/Form/Output.php
index 374ddd34b0483db5d2bcad589dbebc7da8b5a259..2102582d19a4ed9174fad0356388d78d6d26a3f7 100644
--- a/CRM/Dataprocessor/Form/Output.php
+++ b/CRM/Dataprocessor/Form/Output.php
@@ -1,5 +1,6 @@
 <?php
 
+use Civi\DataProcessor\Output\MultiInterface;
 use CRM_Dataprocessor_ExtensionUtil as E;
 
 /**
@@ -110,6 +111,11 @@ class CRM_Dataprocessor_Form_Output extends CRM_Core_Form {
     if (!in_array($type, $this->usedTypes)) {
       return true;
     }
+    $factory = dataprocessor_get_factory();
+    $outputClass = $factory->getOutputByName($type);
+    if ($outputClass instanceof MultiInterface) {
+      return true;
+    }
     return false;
   }
 
diff --git a/Civi/DataProcessor/Output/MultiInterface.php b/Civi/DataProcessor/Output/MultiInterface.php
new file mode 100644
index 0000000000000000000000000000000000000000..bda07580e40d1aa04e494b294454821ea16eda65
--- /dev/null
+++ b/Civi/DataProcessor/Output/MultiInterface.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Copyright (C) 2023  Jaap Jansma (jaap.jansma@civicoop.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace Civi\DataProcessor\Output;
+
+/**
+ * When an output implements this interface
+ * there could be more than one output of that type connected to the
+ * data processor.
+ */
+interface MultiInterface {
+
+}