Search the XBRL International filings index (filings.xbrl.org) for published company annual reports. Answers "which European companies have filed an annual report for 2023", "does Nokia have an ESEF filing", "list Finnish filings with validation errors", "Portuguese filings with a period end after 2024-06-30", "Spanish annual reports for 2025". Returns per filing: company name, LEI or national identifier, country, reporting regime, period end, source (xbrl.org, cmvm, cnmv, newsweb or fi) and official publication time where known, XBRL validation error/warning counts, report language, and direct links to the machine-readable xBRL-JSON, the inline-XBRL HTML report and the viewer. Filter by company name (substring), country (ISO-2), regime, exact period end date, calendar year, or a period_end_from/period_end_to date range. Any other argument name is rejected with a user_error rather than silently ignored. Covers 25,640 filings in two regimes: ESEF (~16,000 annual financial reports from 19 European countries — AT BE CY CZ DK ES FI FR GB GR IS IT LT NL NO PL PT RO SE) and UAIFRS (~9,600 Ukrainian IFRS filings, country UA). Pass `country` or `regime` to pin the scope you mean. Portuguese (PT), Spanish (ES) and Norwegian (NO) ESEF reports are also read directly from where each country publishes them — CMVM for Portugal, CNMV for Spain, Oslo Børs NewsWeb for Norway — so PT, ES and NO coverage follows official publication (typically within a day) rather than the index's months-long lag; each row names its `source` and those rows carry the official `published_at`. Swedish (SE) reports are likewise read from Finansinspektionen (FI), the Swedish OAM, which is the only source for Swedish FY2025 reports, and Belgian (BE) reports from the FSMA's STORI database, the Belgian OAM. Coverage of the current calendar year is sparse — the index lags the filing season; see the response `coverage_note`. Reports the index-wide match count and echoes back proof that the filters actually applied. Follow up with esef_filing_facts to get the numbers inside a filing.