Harness Populate Options dialog box

Number of Rows: Specifies the number of rows in the dialog box used to populate component parts into the assembly.
Row Spacing: Specifies the spacing for the rows in the dialog box used to populate component parts into the assembly.
Column Spacing: Specifies the spacing for the columns in the dialog box used to populate component parts into the assembly.
Use Simplified Components: Specifies that you want to use the component parts to come into the assembly as simplified components.