diff --git a/server/src/types.rs b/server/src/types.rs
index 17392c9..ebd7757 100644
--- a/server/src/types.rs
+++ b/server/src/types.rs
@@ -1,4 +1,20 @@
 #[tarpc::service]
 pub trait RealmChat {
 	async fn test(name: String) -> String;
+}
+
+#[derive(Debug)]
+pub struct Message {
+	guid: String,
+	text: Option<String>,
+	attachments: Option<Vec<Attachment>>,
+	reply_to_guid: Option<String>,
+	reaction_emoji: Option<String>,
+	redact: bool,
+}
+
+#[derive(Debug)]
+pub struct Attachment {
+	guid: String,
+	//TODO
 }
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