Product ACP Checkbox?

[Coders Shack]

hmm

		<settinggroup name="bbcode" displayorder="300">
			<setting varname="allowedbbcodes" displayorder="10">
				<datatype>bitfield</datatype>
				<optioncode>bitfield:nocache|allowedbbcodes</optioncode>
				<defaultvalue>1023</defaultvalue>
			</setting>
		</settinggroup>

is an example of a checkbox optioncode if put in a install product and its using the bit field option (bitfiled_vbulletin.xml)

			<group name="allowedbbcodes">
				<bitfield name="allow_bbcode_basic">1</bitfield>
				<bitfield name="allow_bbcode_color">2</bitfield>
				<bitfield name="allow_bbcode_size">4</bitfield>
				<bitfield name="allow_bbcode_font">8</bitfield>
				<bitfield name="allow_bbcode_align">16</bitfield>
				<bitfield name="allow_bbcode_list">32</bitfield>
				<bitfield name="allow_bbcode_link">64</bitfield>
				<bitfield name="allow_bbcode_code">128</bitfield>
				<bitfield name="allow_bbcode_php">256</bitfield>
				<bitfield name="allow_bbcode_html">512</bitfield>
			</group>

my question is how can i create a checkbox field from a product install. (im tryin lol)

--------------- Added [DATE]1193862860[/DATE] at [TIME]1193862860[/TIME] ---------------

i still cant figure it out.