Using Preset_mode change as a trigger

Configuration
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1

Hello guys,
I’m turning nuts right now, I don’t understand what I’m doing wrong…
I want to use my climate MQTT thermostat preset value change as a trigger but it doesn’t work and I don’t get any error in the log… What am I doing wrong here?
Here is my automation code:

alias: TEST
description: ''
trigger:
  - platform: template
    value_template: '{{ state_attr(''climate.study_mqtt'', ''preset_mode'') }}'
condition: []
action:
  - service: climate.set_temperature
    data:
      target_temp_low: '{{ states(''input_number.mode_confort_mini'') }}'
      target_temp_high: '{{ states(''input_number.mode_confort_maxi'') }}'
    entity_id: climate.study_mqtt
mode: single

I can see the value changing in the Template developer tools tab:

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image946×225 18.3 KB

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image953×217 18.3 KB

Any idea? I appreciate any help (or work around)