The FRITZ!Action is used to control DECT Devices with the FRITZ!Box.
You have to choose the action type FRITZ!Action and the ID of the DECT device. DECT Devices, which are conntected to the FRITZ!Box will be listed after initialization as a Device. Afther, you have to selecet the command you want to call and if needed the value. You have to set a value for the DECT 301, if you want to set a specific target temperature (in °Celsius).