SystemLink Predefined Properties

Predefined properties are user-facing key-value pairs that install with SystemLink and SystemLink APIs.

You can call these properties in code and display their current values in the details area for assets, systems, tags, and tests in the NI SystemLink Web Application.

Note  

You cannot delete predefined properties or modify how they act. If you create custom properties to interact with SystemLink data services, verify that you are not referencing an existing property to avoid name collisions.

Predefined Properties

Refer to the following table to learn more about the predefined properties you can view and interact with in NI SystemLink Web Application.

Property	Full name or key	Description	API(s)	Example value
Path	path	Path to the tag reference Note   A tag path uses dot separators to separate each component of the path. For example, a tag path looks like <system>.<namespace>.<tag>.	Tag	39a98f00-7200-461b-8a7r-e8c84dc3094d.Throughput_Test.status
Current Value	value	Most recent value of the tag	Tag	June 04, 2019 2:34:04 AM CDT
Minimum Aggregate Value	min	Smallest value of a tag	Tag	0
Maximum Aggregate Value	max	Largest value of a tag	Tag	69,905,949,604
Mean Value	avg	Average value of a tag	Tag	34,952,974,802
Count	count	Number of times a tag produced a value	Tag	11819
Batch Serial Number	nitmBatchSerialNumber	Serial number assigned to a batch of DUTs or UUTs in TestStand	Test Monitor	0123456789
Serial Number	nitmSerialNumber	Serial number assigned to the DUT or UUT in TestStand.	Test Monitor	1E28B2D
Test Socket Index	nitmTestSocketIndex	Indexed number associated with a test socket	Test Monitor	4
Test Socket Count	nitmTestSocketCount	Total number of test sockets included in the TestStand test sequence	Test Monitor	5
Source	nitmSource	What software application acquired the test results	Test Monitor	niteststand
Started At	nitmTestStandStartTime	Time when the test started running in TestStand	Test Monitor	2019-04-29T14:37:26.467
Test Program	nitmTestProgram	Name of the test program that executes the test steps	Test Monitor	Manufacturing Test.seq
Process Model	nitmProcessModel	Set of operations that establishes how TestStand performs a test on a DUT or UUT	Test Monitor	Sequential
Operator	nitmOperator	Person who executes the test	Test Monitor	Administrator
Batch ID	nitmBatchId	Identifier assigned to a batch of DUTs or UUTs in TestStand.	Test Monitor	1
System Name	nitmSystemName	Name of the test system performing the test	Test Monitor	VirtualBox--MAC-08-00-27-C1-70-57
Hostname	nitmHostname	Name assigned to the device	Test Monitor	localhost
Part Number	nitmPartNumber	Unique number assigned to a test device or asset	Test Monitor	154119E-01L
Product	nitmProduct	Type of device under test	Test Monitor	cRIO-9030
Value	value	Value associated with the process your team started monitoring when the alarm transition generates	Alarm	15
Minion ID	minionId	Unique identifier associated with a client system Note   When you query the Alarm service, it translates the minion ID into the hostname in NI SystemLink Web Application.	Alarm Tag	cRIO-9068--SN-190D5D5--MAC-00-80-2F-15-AF-CC