The ClearCol Command removes all values from all of the cells in the specified column. The column is identified by a column number.
The Command name can be anything you like, it makes no difference when the sequence is run and is purely for organisation purposes.
The 'Command Type:' line reminds you of the Command Type as you might choose not to put it in the Command's name.
The remaining properties are specific to this Command Type.
Column Number - The column number of the column to clear the values of. It can be an interger or parsed from a variable value.