system.tag.exists

This function is used in Python Scripting.

Description

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

Client Permission Restrictions

This scripting function has no Client Permission restrictions.

Syntax

system.tag.exists(tagPath)

Parameters

Type	Parameter	Description
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

Code Examples

Example #1

# 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)