write README.md

README.md

@@ -34,6 +34,13 @@ Outputs:
 
 ### iterate_scrape_goal (new)
 
+Parameters:
+- start_url, allowed_domains (default same-origin), seed_selectors, max_steps, max_pages,
+  max_runtime_seconds, wait_seconds, rate_limit_seconds, headless, user_agent,
+  respect_robots (default true), output_format (json/csv), screenshot.
+
+Returns fields include: {status, items, pages_visited, html_captures, screenshots, saved_paths, warnings, steps, goal_summary}.
+
 An LLM-powered planner that iterates scrapes until a goal is satisfied or a safety/stop condition occurs.
 Inputs:
 - goal — natural-language target (e.g., "Collect quotes text and authors from the first 2 pages").