Display Custom Post Type w/ Taxonomy/Category Shortcode

I am working on creating a shortcode function that will display a custom post type and is filterable by its category/taxonomy. I’ve figured out how to create the shortcode and have it display the post type. But I cannot get it to display the associated taxonomy categories.

I have created a custom post type called ‘testimonials’ I then created a taxonomy called ‘testimonial-category’. Inside of this taxonomy I have a category called ‘testimonial-home’.

I want to be able to use the shortcode with the ‘testimonial-home’ as its filter in order to display home page testimonials.

My shortcode works great without attributes: [list-testimonials] – this displays all testimonials. But when I add: [list-testimonials category=”testimonial-home”] nothing is displayed.

I’m stumped. I’m so close and I’m sure there is something very obvious that I am overlooking. Any and all help is so greatly appreciated! Thanks!

Here’s my shortcode function:

// create shortcode with parameters so that the user can define what’s queried – default is to list all blog posts

    add_shortcode( 'list-testimonials', 'post_listing_parameters_shortcode' );
    function post_listing_parameters_shortcode( $atts ) {
    ob_start();

    // define attributes and their defaults
    extract( shortcode_atts( array (
        'type' => 'testimonials',
        'order' => 'date',
        'orderby' => 'title',
        'posts' => -1,
        'category' => '',
    ), $atts ) );

    // define query parameters based on attributes
    $options = array(
        'post_type' => $type,
        'order' => $order,
        'orderby' => $orderby,
        'posts_per_page' => $posts,
        'category_name' => $category,
    );
    $query = new WP_Query( $options );
    if ( $query->have_posts() ) { ?>
    <?php while ( $query->have_posts() ) : $query->the_post(); ?>
    <div
        class="small-12 medium-12 large-4 columns testimonial-column homepage-    testimonial-column">

        <!--HOME PAGE SINGLE TESTIMONIAL CONTAINER-->
        <div
            class="testimonial-container homepage-testimonial-container"  
            id="post-<?php the_ID(); ?>" <?php post_class(); ?>>

            <!--HOME PAGE SINGLE TESTIMONIAL TEXT-->
            <?php if( get_field('testimonial_text') ): ?>
            <div
                 class="testimonial testimonial-textarea">
                    <?php the_field('testimonial_text'); ?>   
            </div>
            <?php endif ?>
            <!--END HOME PAGE SINGLE TESTIMONIAL TEXT-->

            <!--HOME PAGE SINGLE TESTIMONIAL DETAILS-->
            <div
                 class="testimonial-details">

                <!--HOME PAGE SINGLE TESTIMONIAL IMAGE-->
                <?php if( get_field('testimonial_photo') ): ?>
                <img
                     src="<?php the_field('testimonial_photo'); ?>"
                     class="testimonial-photo" />
                <?php endif ?>

                <!--HOME PAGE SINGLE TESTIMONIAL BIO INFO-->
                <div
                    class="testimonial-bio">

                    <!--HOME PAGE SINGLE TESTIMONIAL NAME-->
                    <?php if( get_field('testimonial_name') ): ?>
                    <h5
                        class="testimonial-name">
                            <?php the_field('testimonial_name'); ?> 
                    </h5>
                    <?php endif ?>
                    <!--END HOME PAGE SINGLE TESTIMONIAL NAME-->

                    <!--HOME PAGE SINGLE TESTIMONIAL TITLE-->
                    <?php if( get_field('testimonial_title') ): ?>
                    <p
                       class="testimonial-title">
                           <?php the_field('testimonial_title'); ?>
                    </p>
                    <?php endif ?>
                    <!--END HOME PAGE SINGLE TESTIMONIAL TITLE-->

                    <!--HOME PAGE SINGLE TESTIMONIAL COMPANY-->
                    <?php if( get_field('testimonial_company') ): ?>
                    <p
                       class="testimonial-company">
                           <?php the_field('testimonial_company'); ?>
                    </p>
                    <?php endif ?>
                    <!--END HOME PAGE SINGLE TESTIMONIAL COMPANY-->

                </div>
                <!--END HOME PAGE SINGLE TESTIMONIAL BIO INFO-->

            </div>
            <!--END HOME PAGE SINGLE TESTIMONIAL DETAILS-->

    </div>
    <!--END HOME PAGE SINGLE TESTIMONIAL CONTAINER-->
    </div>
    <!--HOME PAGE TESTIMONIALS COLUMN-->

        <?php endwhile;
        wp_reset_postdata(); ?>
<?php $myvariable = ob_get_clean();
return $myvariable; 
   }    
}


Source: shortcode

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