Tag 383

MaxMessageSize

Abbreviation: MaxMsgSz

TypeLength

Tag383

AddedFIX.4.2

Used in1 messages

Maximum number of bytes supported for a single message.

Single field (key=value)

383=128

In a FIX message (Logon)

8=FIX.4.4 | 9=... | 35=A | 49=SENDER | 56=TARGET | 34=1 | 52=20240101-09:30:00.000 | … | 383=128 | … | 10=...

Fields are delimited by SOH (ASCII 0x01), shown here as " | ". The highlighted field 383=128 is this field's position in the message.