i´m using the following automation, to send a notification when a window is open for 30 minutes.
- how could i use a timestamp in a notification text?
- how could i include the timestamp when the window is opened (means 30 minutes before the trigger fires? i would like to know since the window is open?
alias: Notify_Window_OPEN_Bad description: "" trigger: - type: opened platform: device device_id: 4fb78c797227e1af24e3df548056e7dd entity_id: binary_sensor.aqara_dw_28_contact domain: binary_sensor for: hours: 0 minutes: 30 seconds: 0 condition:  action: - service: notify.notify data: message: Window OPEN Bad title: Window OPEN Bad - service: notify.persistent_notification data: message: Window OPEN Bad title: Window OPEN Bad mode: single
thank you in advance