diff -r d8ec2d8ffa82 -r ca5501d851fa src/main/kotlin/de/uapcore/lightpit/types/RelationType.kt
--- a/src/main/kotlin/de/uapcore/lightpit/types/RelationType.kt	Tue Jan 03 18:25:51 2023 +0100
+++ b/src/main/kotlin/de/uapcore/lightpit/types/RelationType.kt	Sun Jan 08 17:07:26 2023 +0100
@@ -26,12 +26,13 @@
 
 package de.uapcore.lightpit.types
 
-enum class RelationType(val bidi: Boolean) {
-    RelatesTo(true),
-    TogetherWith(true),
-    Before(false),
-    SubtaskOf(false),
-    Blocks(false),
-    Tests(false),
-    Duplicates(false)
-}
\ No newline at end of file
+enum class RelationType(val bidi: Boolean, val blocking: Boolean) {
+    RelatesTo(true, false),
+    TogetherWith(true, false),
+    Before(false, true),
+    SubtaskOf(false, true),
+    DefectOf(false, true),
+    Blocks(false, true),
+    Tests(false, true),
+    Duplicates(false, false)
+}