Hello i have another question.
I have 2 components. Lets say Component A and component B.
My B is a normal component with a dialog.
My A component has a dialog with 1 field that is the only one authorable.
My need is that my A needs to retrieve some other values dinamycally from the component B dialog and render it.
How can achieve this?
(everything needs to "elaborated in AEM but rendered in Angular)
Maybe I'm missing something but I don't really see what's complicated here. From your latest explanations it doesn't seem to be anything to do with dialogs and displaying values from one in the other, rather displaying content created for your card components in your card list component.
If the card components and the card list have the same parent you can just create a custom injector or add a post construct method in your model for the card list. In this method you get the parent resource of your card list, you iterate through the child resources and test they have the resource type of your card component and then you either adapt them to the card component model and add them to a list or just get the subtitle property and add it to a String list.
Create a getter for this list. In your sightly template you use the card list model and display the content of the list. Make your card components refresh the page when added to the parsys in the edit config so you don't have a stale card list.
Unless I completely misunderstood this seems pretty straight forward to me.
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