Fitting lights to a 2019 Giant Trance E+ integrated lighting system #AdaptMTB

How to fit lights to a Giant Trance E+ that are powered by the bikes main battery and activated by the lighting button on the Ride Control One controller. Factory JST Connector - so modifications will be required to the wiring loom! https://www.digikey.co.nz/product-detail/en/jst-sales-america-inc/02T-JWPF-VSLE-S/455-1166-ND/608608 2000 Lumen Light from eBay https://www.ebay.com/itm/2000-Lumen-2-X-XM-L-T6-LED-USB-Waterproof-Lamp-Bike-Bicycle-Headlight-Head-Light-/273453660802