Yes, in some cases it is possible to operate an actuator channel via push-button.
Some of the common applications are e.g. when you want to switch on or off a ballast with push-button input via a short impulse or when you want to dim it via a long impulse.
Below document provides one possible solution for the previous example. However, it is recommended to check its viability in each project.
Another area of application can be controlling a garage door or calling an elevator. This may also include other devices, which actually are activated via a push-button but shall be integrated into free@home.Tags: free@home, Output