1 files changed, 20 insertions, 0 deletions
diff --git a/matrix-specification/Data/Room/PreviousRoom.php b/matrix-specification/Data/Room/PreviousRoom.php
new file mode 100644
index 0000000..ced4172
--- /dev/null
+++ b/matrix-specification/Data/Room/PreviousRoom.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Matrix\Data\Room;
+
+class PreviousRoom implements \JsonSerializable
+{
+  public function __construct(
+    private string $roomId,
+    private ?string $eventId = null,
+  )
+  {}
+
+  public function jsonSerialize(): array
+  {
+    return array_filter([
+      "event_id" => $this->eventId,
+      "room_id" => $this->roomId,
+    ], fn ($value) => ! is_null($value));
+  }
+}