docs: info on using custom data extract during tests

hotosm · Feb 14, 2024 · 754bc22 · 754bc22
1 parent e04571b
commit 754bc22
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/docs/testing-visually.md b/docs/testing-visually.md
@@ -21,6 +21,9 @@ If you wish to view the split data output in a more visual way:
 
 4. Copy the data from `output/output.geojson` to geojson.io to visualise.
 
+> Note: to include a custom data extract, pass the `--extract` flag
+> point to a geojson file.
+
 ## Option 2: FMTM
 
 1. Setup FMTM: