Fetches Polymarket markets by condition ID, event/market slug, or event URL. Always returns a `markets[]` array (length 1 for single markets, length N for multi-market events), plus optional event metadata (eventId, title, slug, description) when the input resolves to an event. Each market includes question, outcomes, prices, CLOB token IDs, volume, and liquidity. Ideal for: market research, due diligence, price discovery, automated market monitoring, multi-market event routing.
This action will execute the specified operation when your workflow runs.