Copy temperature input from one thermostat to another

[chmac (Callum Macdonald)]

There is a solution for a similar issue posted here:

Automate thermostat temperature based on another thermostat

I am trying to do the same thing and can’t get it just right. Here is my code. Any help would be greatly appreciated. Here are the line from both the configuration and automations.yaml sensor: - platform: template sensors: climate_gym_1_sw: friendly_name: "Master_Gym" unit_of_measurement: 'degrees' value_template: "{{ state_attr('current_temperature', 'temperature') }}" - id: '1593415150466' alias: 'Gym thermostats follow #1' trigger: - entity_id: …