diff --git a/journals/2023_12_19.md b/journals/2023_12_19.md
index cb48e04f..6c1ac6ac 100644
--- a/journals/2023_12_19.md
+++ b/journals/2023_12_19.md
@@ -21,4 +21,5 @@
 			- peak detection
 		- create new use cases in lightweight environment?
 			- use case framework?
+			- schema defintion for data
 -
\ No newline at end of file