Hi,
You have to click on Configure, at the right top on the Configuration section >> then you can see the VLAN Override option.
Below is the picture.
![Image_ images_messages_5f91c451135b77e247a1ea6f_601817b2acf5892483e4b93e87257d50_RackMultipart2020030540606lner-893de8bb-cc28-4d16-8a3a-64c79d4593f6-816959531.png1583371370 Image_ images_messages_5f91c451135b77e247a1ea6f_601817b2acf5892483e4b93e87257d50_RackMultipart2020030540606lner-893de8bb-cc28-4d16-8a3a-64c79d4593f6-816959531.png1583371370](/t5/image/serverpage/image-id/1902i74E5956CE2FB2423/image-size/large?v=v2&px=999)
You can also override the VLAN, on the individual WLAN if you select the WLAN >> Click on Next >> Configure >> Advanced options >> Access VLAN