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Version: 8.1

timestampOf

New in 8.1.10

This function is used by Ignition's Expression language.

Description​

Returns the timestamp of a qualified value.

Syntax​

timestampOf(value)

Parameters​

TypeParameterDescription
ObjectvalueThe value for which you want to find the timestamp.

Results​

Date - Returns the timestamp of the value's last update.

Examples​

Code Snippet
timestampOf({[default]Sensor 1/Reading}) //Returns the timestamp of the tag's last value update
Code Snippet
timestampOf(tag("[default]Sensor 1/Reading")) //Returns the timestamp of the tag's value at the time the expression was evaluated on the Gateway
Code Snippet
// Using tag() with a string tagPath
timestampOf(tag("[default]Sensor 1/Reading")) //Example return: 2025-01-23 08:30:00 (evaluated at the Gateway)

// Using a bound value
timestampOf({[default]Sensor 1/Reading}) //Example return: 2025-01-23 08:30:02 (timestamp from the OPC source)
Code Snippet
{[default]Sensor 1/Reading.timestamp} //Directly accesses the tag's timestamp property, returning the timestamp from the OPC source