# Columns on the Connections tab of a graphic object's Properties dialog box

The following table shows the columns on the Connections tab of a graphic object's Properties dialog box.

Columns | Descriptions
Name | This column shows the name of the connection.
Value update direction | This column shows an arrow to indicate in which way data can flow between the connection and the data source. connection updates the data source (write only connection) data source updates the connection (read-only connection) connection updates the data source and data source updates the connection (read-write connection)
Tag/Expression | Type the tag name or expression associated with the connection. If a tag or expression was selected, it is shown here.
Tag button (...) | Click this button to open the Tag Browser and select a tag instead of typing the tag name in the Tag/Expression column.
Exprn button (...) | Click this button to open the Expression Editor and create an expression instead of typing the expression in the Tag/Expression column.

## See also

Options on the Common tab of a graphic object's Properties dialog box

All properties

Assign connections to an object

Delete a connection from an object

data source