# Pen connection

The Pens 1-8 connections specify the number of the pens in a trend object to assign a tag or an expression to. The trend object supports up to 8 pens.

A read connection. Assign a tag or an expression to the connection. If you assign an expression, the application calculates the value of the expression and uses the result to determine the value of the pen.

The trend object's connections element contains these connections.

## See also

connections and connection elements