You just need to sync your ticket to the Disney app and scan it when entering Disneyland. I went there on a Tuesday in mid-April, and almost all the attractions only had a 5–25 minute wait. Had a great time there.
Traveloka Sdn Bhd (Registration No. 201501003122), Level 14 Tower 2, Menara Kembar Bank Rakyat, 33 Jalan Rakyat Brickfields, 50470 Kuala Lumpur, Malaysia