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How do I alter the behavior of the form fields contained within the paragraph field?

Using the Paragraphs module in Drupal 8, I am attempting to alter the behavior of the form fields contained within the paragraph field. This is so I can add behavior like AJAX callbacks, hide show other fields using states etc.

I can access the paragraph parent field using this function:

function hook_form_alter(&$form, DrupalCoreFormFormStateInterface $form_state, $form_id) {  }

But how do I access the fields inside the paragraph?

I have tried hook_field_widget_form_alter but to no avail.

How do I do this?

Note: I am still quite new to Drupal development.

This article was republished from its original source.
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How do I alter the behavior of the form fields contained within the paragraph field?

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