TagSource

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

Syntax

TagSource(attname)

Arguments

• attname

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

Returns

The point's point source string

Exceptions

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

Example

• TagSource('sinusoid')

  [Returns R]

• TagSource('cdt158')

  [Returns R]