A few days ago I asked a question about Drupal 8 YAML Form Module: Populate Select Element. I found a solution that it works fine for me.
But now I've got a new doubt. I would like to change the value of a Hidden element and depending of this value, to show some elements in the form or not. I'm trying to implement the hook hook_yamlform_element_info_alter(array &$elements) and I do $elements['hidden_element_name']['#value'] = 'New value of the hidden element' but it doesn't work.
Any ideas? Thanks in advance!
Here is the solution: How do I change the value of a Hidden element?
Basically, I've implemented hook_form_FORM_ID_alter() and I do:
$form['elements']['hidden_element_name']['#value'] = 'New value of the hidden element';
I hope it helps someone!
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