diff --git a/latex/document/document.tex b/latex/document/document.tex
index 7ed2903..4c939c2 100644
--- a/latex/document/document.tex
+++ b/latex/document/document.tex
@@ -1,3 +1,4 @@
+\DocumentMetadata{testphase = {phase-III,math}}
 \documentclass{article}
 
 \usepackage[T1]{fontenc} % encoding