1 files changed, 22 insertions, 0 deletions

diff --git a/subprojects/logic/src/main/java/tools/refinery/logic/term/ParameterDirection.java b/subprojects/logic/src/main/java/tools/refinery/logic/term/ParameterDirection.java
new file mode 100644
index 00000000..75ee06e6
--- /dev/null
+++ b/subprojects/logic/src/main/java/tools/refinery/logic/term/ParameterDirection.java
@@ -0,0 +1,22 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.logic.term;
+
+public enum ParameterDirection {
+        OUT("out"),
+        IN("in");
+
+        private final String name;
+
+        ParameterDirection(String name) {
+                this.name = name;
+        }
+
+        @Override
+        public String toString() {
+                return name;
+        }
+}