# Options on the Connections tab of the Trend Object Properties dialog box

The following table shows the options on the Connections tab of the Trend Object Properties dialog box.

Options | Descriptions
--- | ---
Name | This column shows the names of the connections. The names cannot be changed.
Pen 1-8 | Number of the pen to assign a tag or an expression to. The trend object supports up to eight pens.
Minimum | Minimum value of the trend when the Y-Axis Minimum/maximum value option is set to Custom and the minimum value is controlled by a tag.
Maximum | Maximum value of the trend when the Y-Axis Minimum/maximum value option is set to Custom and the maximum value is controlled by a tag.
Tag / expression | Specifies the tag or expression to be assigned to the pen or value.
Tag | Click the Browse button () in the Tags column to select a tag from the Tag Browser. The tag you selected appears in the Tag / Expression box.
Exprn | Click the Browse button () in the Exprn column to open the Expression editor. The Expression editor allows you to create an arithmetic or logical expression to assign to the pen. The expression you created appears in the Tag / Expression box.

## See also

Set up connections for the trend

All properties and connections