Difference between revisions of "NXSL:GetDCIValueByDescription"
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Get last value of DCI with given description on given node. | Get last value of DCI with given description on given node. | ||
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== Syntax == | == Syntax == | ||
GetDCIValueByDescription(''node'', ''description''); | |||
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== Return Value == | == Return Value == | ||
Last value for given DCI or '''null''' if DCI with given | Last value for given DCI (string for normal DCIs and [[NXSL:Table|Table]] object for table DCIs) or '''null''' if DCI with given description does not exist or has no collected values. | ||
== Examples == | == Examples == | ||
GetDCIValueByDescription($node, "Status") -> 0 | |||
Latest revision as of 18:13, 13 September 2022
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Get last value of DCI with given description on given node.
Syntax
GetDCIValueByDescription(node, description);
Parameters
node Node object. Predefined variable $node can be used to refer to current node in transformation script or event processing policy rule. description DCI description.
Return Value
Last value for given DCI (string for normal DCIs and Table object for table DCIs) or null if DCI with given description does not exist or has no collected values.
Examples
GetDCIValueByDescription($node, "Status") -> 0