Defines the variations for a set of user-defined properties in the block definition through a grid control.

You can press Shift+Enter to add a new line for a multiline attribute value in the grid in the Block Properties Table dialog box.
The following options are displayed.
Displays the Add Parameter Properties dialog box where you can add parameters already defined in the Block Properties Table.
Displays the New Parameter dialog box where you can create and add new user parameters to the Block Properties Table.