system.tag.exists

Description

Checks whether or not a tag with a given path exists.

Syntax

system.tag.exists(tagPath)

Parameters

String tagPath - The path of the tag to look up.

Returns

boolean - True if a tag exists for the given path, false otherwise.

Scope

All

Examples

This code would write a 1 to the tag "Compressors/C28/ClearFault" if that tag exists.

if system.tag.exists("Compressors/C28/ClearFault"):

   system.tag.write("Compressors/C28/ClearFault", 1)