This function is used in Python Scripting.


Writes a value to a tag. If suppressErrors is true, error messages on failed writes will not be shown.

Client Permission Restrictions

This scripting function has no Client Permission restrictions.


system.tag.write(tagPath, value, [suppressErrors])

  • Parameters

String tagPath - The path of the tag to write to.

Object value - The value to write.

Boolean suppressErrors - A flag indicating whether or not to suppress errors. [optional]

  • Returns

int - 0 if the write failed immediately, 1 if it succeeded immediately, and 2 if it is pending.

  • Scope


Code Examples
Code Snippet
# This code would go on a property change event for a numeric text field to calculate and write a value to a tag.
if event.propertyName == intValue:
 calcValue = event.newValue * 2.5
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