About Checkmenuitem functions

To operate on a check menuitem object and based on your requirement, you can use any of these functions

Checkmenuitem python API's

click - Click on the check menu item

menuitemenabled - Verify whether the check menu item is enabled

menucheck - Tick the menu item

menuuncheck - Un tick the menu item

selectmenuitem - Select the menu item

verifymenucheck - Verify whether the check menu item is ticked

verifymenuuncheck - Verify whether the check menu item is unticked