1 files changed, 28 insertions, 0 deletions
diff --git a/matrix-specification/Data/Contact.php b/matrix-specification/Data/Contact.php
new file mode 100644
index 0000000..9eeefe5
--- /dev/null
+++ b/matrix-specification/Data/Contact.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Matrix\Data;
+
+use Matrix\Enums\Role;
+
+class Contact implements \JsonSerializable
+{
+  public function __construct(
+    private Role|string $role,
+    private ?string $emailAddress = null,
+    private ?string $matrixId = null,
+  )
+  {
+    if (is_null($emailAddress) && is_null($matrixId)) {
+      throw new \InvalidArgumentException("at least one of emailAddress or matrixId is required");
+    }
+  }
+
+  public function jsonSerialize(): array
+  {
+    return array_filter([
+      "email_address" => $this->emailAddress,
+      "matrix_id" => $this->matrixId,
+      "role" => $this->role,
+    ], "is_null");
+  }
+}