diff --git a/TODO.md b/TODO.md
new file mode 100644
index 0000000..e960d0c
--- /dev/null
+++ b/TODO.md
@@ -0,0 +1,17 @@
+# Project: Rewrite CSVXML with Rust
+
+## Step 1: Rewriting classes/CsvxmlAvailableFields.php
+
+- New class for fieldentries
+- use tlloader: $eventname[1] -> $tlLoader->tl("eventtype-name", "eventname", "1")
+- __toArray(){}
+
+## Step 2: Rewrite Validationprocess in index3.php
+
+### FFI with Rust
+
+https://www.php.net/manual/en/class.ffi.php
+https://www.php.net/manual/en/ffi.examples-basic.php
+https://platform.sh/blog/2020/php-fun-with-ffi-getting-rust-ic/
+
+## Step 3: Remove fnam Parameter
\ No newline at end of file