active directory - How to redirect user after logout from ADFS? -

i have page authenticate using adfs , have logout don't logout adfs site. how can logout adfs , redirect page site? i've try url:

https://{auth-server}/adfs/ls/?wa=wsignout1.0&wreply=https://example.com/landingpage 

it logout don't redirect site, how can redirect page after logout?

try one:

https://{auth-server}/adfs/ls/?wa=wsignout1.0&wreply={https://example.com/landingpage} 

note there curly braces around data of wreply parameter.