Iframe URL from attribute entity

@joseska wrote:

Hi… we are trying to use an attribute of one entity for using as url of iframe card… I have tried different ways but not work:

• url: state_attr(‘states.sensor.nodered_f0e19ba8_039c98’, ‘noticia1’).topic
• url: {{ state_attr(‘states.sensor.nodered_f0e19ba8_039c98’, ‘noticia1’).topic }}
• url: >
  {{ states.sensor.nodered_f0e19ba8_039c98.attributes.noticia1.topic }}

all of this not work…

11221629×393 118 KB

any idea???
thanks…

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