This action is used to append content to the Create/Edit SlideDeck view before any of the SlideDeck view content. You can use this action to append your own custom content.
To add your own function to output content at the top of the create/edit SlideDeck view, you would hook into this action with the following code:
<?php add_action( 'slidedeck_before_form', 'my_function_name', 10, 2 ); ?>
The slidedeck_before_form action receives 2 parameters
(array) The SlideDeck descriptor array
(string) The action of the current view
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