This log entry is the first entry made by the FTP server for a data transfer that returns the output from a job when the FTP filetype is JES.

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.

jobid is the job identifier associated with the JES job.

ddname is the ddname associated with spool file.

spool is the name of the spool file.

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