Creating sensor to evaluate string within attribute

Configuration
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1

Hi,

I have a binary sensor with attributes that I would like to read and evaluate. Ultimately I would like to OR a few together, however, first things first I would like to just create one sensor that is True or False based on one of the binary sensor state attributes.

Here is my binary sensor.

Screenshot 2020-12-23 091556
Screenshot 2020-12-23 091556731×608 26.6 KB

Here is my line within sensor: section of configuration.yaml.

     kara_in_use:
       value_template:  '{{ states.binary_sensor.kara_active.Locked.state | "true" }}'
2

Take a look here:

3

Thanks heaps, got to this and seems to be good.

     kara_in_use:
       friendly_name: 'Kara In Use'
       value_template: >-
         {{(is_state_attr("binary_sensor.kara_active", "Locked", false)
           or is_state_attr("binary_sensor.kara_active", "Fast User Switched", true))
           and is_state_attr("binary_sensor.kara_active", "Sleeping", false) }}