diff --git a/2018-09-20-WebUntis_JSON_RPC_API.pdf b/2018-09-20-WebUntis_JSON_RPC_API.pdf
new file mode 100644
index 0000000..7992d6e
Binary files /dev/null and b/2018-09-20-WebUntis_JSON_RPC_API.pdf differ
diff --git a/src/lib.rs b/src/lib.rs
index 6b876c8..7c4a9a9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -283,6 +283,9 @@ struct ApiTeachersResponse {
     data: ApiTeachersResponseData,
 }
 
+#[derive(Deserialize, Debug)]
+pub struct ApiProfile {}
+
 #[derive(Debug)]
 pub struct Client {
     pub api_url: url::Url,
@@ -733,7 +736,7 @@ impl Client {
         Ok(resp.data.elements)
     }
 
-    pub async fn exams(&self) -> Result<()> {
-        Ok(())
-    }
+    // pub async fn exams(&self) -> Result<()> {
+    //     Ok(())
+    // }
 }