TagName

For an attribute associated with a PI point, get a point's name from the point database.

Syntax

TagName(attname)

Arguments

• attname

  The name of an attribute with a PI point data reference, enclosed in single quotes

Returns

The name of the PI point associated with attname

Exceptions

If the PI point does not exist, an error value is returned

Example

• TagName('sinusoid')

  [Returns SINUSOID]

• TagName('cdt158')

  [Returns CDT158]