Plugins not working on AJAX requests

//This is the function that fails when calling the function via an AJAX request.
$context['stories'] = apply_filters('xfwpint_get_slider_post_data', $context['stories']);

When calling via ajax , you have to include file in your ajax action function, file in which you have defined your filter, so it gets called.

For e.g.

require_once('./my_file_containing_filter_function');

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