This log entry is the first entry made for a data transfer of a report requested when the FTP filetype is SQL.

sessionID uniquely identifies the FTP session between a client and a server. Message EZYFS50I is the first message in the log for this session ID.

filename is the full z/OS® UNIX file name or MVS™ data set name that contains the select statement used to make the query.

This message is followed in the log by messages EZYFS84I and EZYFS80I.