Sampled Capabilities

unity

body
body-markup
icon-static
image/svg+xml
x-canonical-private-synchronous
x-canonical-append
x-canonical-private-icon-only
x-canonical-truncation
private-synchronous
append
private-icon-only
truncation

xfce Notifyd

actions
body
body-markup
body-hyperlinks
icon-static
x-canonical-private-icon-only

kde plasma5

body
body-hyperlinks
body-markup
icon-static
actions

gnome 3

actions body body-markup icon-static persistence sound