FIX Protocol Tag 464: TestMessageIndicator

Y marks the session as a test connection rather than production, to help prevent mistakes.

Tag number: 464
Data type: BOOLEAN
FIX versions: FIX 4.3 to 5.0 SP2 and FIXT 1.1
Used in: 1 message type

Tag 464 in each FIX version

Values and message usage as defined in a specific version.

Data type

BOOLEAN: Y for yes or N for no.

Valid values

2 enumerated values across all FIX versions.

Value	Meaning
Y	Yes
N	No

Example

464=Y

Illustrative value. In a message, fields are separated by the SOH character (0x01), often shown as | or ^ in logs.

Decode a message with this tag

Message types that use tag 464

Logon 35=A

Covers every version from FIX 4.0 to 5.0 SP2, including fields reached through components and repeating groups. The version pages above show whether the tag is required in each message.

Field and message data comes from the QuickFIX data dictionaries for FIX 4.0 to 5.0 SP2 and FIXT 1.1, used under the QuickFIX Software License. This product includes software developed by quickfixengine.org (http://www.quickfixengine.org/). Enumerated value names are converted to plain text for reading.