[chore][pkg/stanza] Update dated example in expression.md (open-telem…

…etry#26302)
ClickHouse · Aug 30, 2023 · 5d2cd63 · 5d2cd63
1 parent b958da4
commit 5d2cd63
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/pkg/stanza/docs/types/expression.md b/pkg/stanza/docs/types/expression.md
@@ -18,7 +18,7 @@ Available to the expressions are a few special variables:
 ### Add a label from an environment variable
 
 ```yaml
-- type: metadata
- attributes:
-  stack: 'EXPR(env("STACK"))'
+- type: add
+ field: attributes.stack
+ value: 'EXPR(env("STACK"))'
 ```