Montran Screen a transaction

Submits a payment transaction for real-time sanctions screening. The transaction is screened against all configured compliance lists (OFAC, EU, OFSI, etc.) for the specified channel. Supports ISO 20022 pacs and pain messages, SWIFT FIN MT messages, ISO 8583, NACHA, and local CSM formats. Returns screening results synchronously for instant payment use cases with sub-second response times.