Has anybody ever had any luck creating a mechanism to clear a matrix selection? I’m wondering if there are any built-in functions or methods that would allow me to clear individual selections and/or all selections that have been made or if I would just be resetting input values

setOption on the PDP component in the extensibility layer can be passed values to set matrix options https://system.netsuite.com/help/helpcenter/en_US/APIs/SuiteCommerce/Extensibility/Frontend/PDP.html#setOption