Edit the expression for an expression tag

You can edit the expression and alias of any expression tags in a trend. See Expressions (wwexpression) for information about the syntax and usage for expressions.

To edit the expression for an expression tag

1. In the Tag List pane, do one of the following:

   • Right-click on the name of the tag and then click Configure.

   • Double-click on the name of the tag.

     The <ServerName:Tagname> dialog box appears with the General tab selected.

2. Select the Edit Expression tab. The fields in the tab are:

   • Expression: Edit the expression.

   • Alias: Edit the alias.

3. Select OK.