diff --git a/includes/custom-field-associats-filter-function-frontend.php b/includes/custom-field-associats-filter-function-frontend.php
new file mode 100644
index 0000000..4d297a7
--- /dev/null
+++ b/includes/custom-field-associats-filter-function-frontend.php
@@ -0,0 +1,180 @@
+<?php                                                                                                    
+/**
+ * Function to display the front end checkboxes for the associat filter 
+ *
+ * references:
+ * basic start
+ * https://www.advancedcustomfields.com/resources/creating-wp-archive-custom-field-filter/
+ * 
+ * wordpress full form example
+ * https://wordpress.stackexchange.com/questions/383599/form-checkbox-value-going-to-dynamic-url
+ *
+ * checkbox adaptation query
+ * https://wordpress.stackexchange.com/a/102915
+ *
+ * form GET and POST
+ * https://www.formget.com/php-checkbox/
+ * 
+ * @package Xarxaprod_wp_plugin
+ */
+?>
+<?php
+if( ! function_exists( 'xarxaprod_associats_filters_form') ) {
+  function xarxaprod_associats_filters_form() {
+?>
+    <div id="archive-filters" class="xarxaprod-filters">
+    <?php
+    // output all possible values of a checkbox
+    $groupkey = "group_65d86bf0666a2"; // write here the key for the group of fields from acf
+    if( $groupkey ) {
+    ?>
+      <?php // start the form ?> 
+      <form id="form-associats" name="search-associats">
+      
+      <?php
+      $groupkey_fields = acf_get_fields($groupkey);
+      foreach( $groupkey_fields as $field_key ) {
+        
+        if( $field_key['type'] == 'checkbox' ){
+        
+          // https://wordpress.stackexchange.com/a/102915
+          $fields = get_field_object($field_key['key']);
+          if( $fields ) {
+        
+            // check for values from meta fields db in url
+            foreach( $GLOBALS['my_query_filters_associat'] as $key => $fieldname ) {
+        
+              // check for values in url and  get value if available
+              if( isset($_GET[ $fieldname ]) ) {
+                $filteredvalues['value'] = explode(',', $_GET[ $fieldname ]);
+              } else {
+                $filteredvalues['value'] = []; 
+              };
+              //end check for values in url
+        
+              // construct the checkboxes
+              if( $fieldname == $fields['name']) {
+?>      
+ 
+        <section id="call-filter call-filter-<?php echo $fields['name']; ?>" class="<?php echo $fields['name']; ?>"> 
+          <h5 class="xarxaprod-titol-opcions"><?php echo $fields['label'];?></h5>
+            <?php  foreach( $fields['choices'] as $choicevalue => $choicelabel ) { ?>
+ 
+            <div class="filter" data-filter="<?php echo $fields['name'];?>">
+            <input class="xarxaprod-filter" type="checkbox" name="<?php echo $fields['name'];?>" <?php if( in_array( $choicevalue, $filteredvalues['value']) ) { echo 'checked'; } ?> value="<?php echo $choicevalue; ?>" />
+              <label for="<?php echo $choicevalue; ?>"><?php echo $choicelabel;?></label>
+            </div>
+ 
+            <?php };//end foreach fields['choices'] ?>
+ 
+        </section>
+ 
+        <?php  }; //end if fieldname == fields['name'] ?>
+        <?php  // end of construct checkboxes ?>
+                
+           <?php }; // end check for values from meta fields db in url ?>
+ 
+         <?php }; //end if field_key['key'] ?>
+       
+        <?php }; //end if type checkbox ?>
+ 
+      <?php }; //end foreach groupkey field ?>
+      <?php //echo '<p><span id="filterlink"></span></p>';?>
+      <p><a id="submitfilteredlink" name="submit-associat" class="button button-more" href="">enviar</a> </p>
+      </form>
+      <?php //close the form and subit ?>
+ 
+      <?php }; //end if groupkey ?>
+      <aside id="search-form-associats" class="xarxaprod-search-associats">
+        <?php
+         // search form for custom post type 'xarxaprod-associat'
+         // <input type="hidden" value="xarxaprod-associat" name="post_type" id="post_type" />
+         // https://developer.wordpress.org/reference/functions/get_search_form/#comment-369
+         // https://wordpress.stackexchange.com/questions/313037/restrict-a-sear  ch-to-a-custom-post-type
+        ?>
+        <form class="xarxaprod-search-form" role="search" method="get" action="/">
+        	<label class="screen-reader-text" for="search">Search in associats</label>
+          <input type="search" id="search" class="search-field" placeholder="cerca amb paraula clau..." value="<?php the_search_query(); ?>" name="s" />
+          <input type="submit" id="searchsubmit" class="search-submit" value="cerca">
+          <span class="xarxaprod-search-submit xarxaprod-icon-search"></span>
+          <input type="hidden" value="xarxaprod-associat" name="post_type" id="post_type" />
+        </form>   
+      </aside>
+</div>
+ 
+<script type="text/javascript">
+(function($) {
+    // https://stackoverflow.com/a/12025482
+    // change
+    $('#archive-filters').on('click', 'input', function(){
+        
+        // vars 
+        var url = '<?php echo home_url('associats/'); ?>';
+            args = {};
+        var appendtoURL = '';
+        var eachfiltered = '';
+        var valueschecked = '';
+        
+        // loop over filters
+        $('#archive-filters .filter').each(function(){
+           // check if is first appearance of each
+           if( eachfiltered != $(this).data('filter') ){
+             // save already calculated field=val01,val02,val03
+             if( eachfiltered != '' && valueschecked != '' ){
+               // remove last ','
+               valueschecked = valueschecked.slice(0, -1);
+               appendtoURL += eachfiltered +'=' +valueschecked +'&';
+             };
+             // start new fieldname filtered
+             eachfiltered = $(this).data('filter');
+             // reset values 
+             valueschecked = '';
+             // find checked inputs 
+             $(this).find('input:checked').each(function(){
+               // if not empty save value and ,
+               if( $(this).val() != '' ){
+                valueschecked += $(this).val() + ',';
+               };
+             });
+             //alert( appendtoURL +":" +eachfiltered +"=" +valuescheked);
+           } else {
+             // we have previous values checked
+             // find checked inputs
+             //if( $(this).val() != '' ){
+               // if not empty append value and ,
+               $(this).find('input:checked').each(function(){
+                 valueschecked += $(this).val() + ',';
+               });
+             //alert( appendtoURL +":not:" +eachfiltered +"=" +valuescheked);
+             //};
+           };
+        });
+        
+        // remove last ','
+        valueschecked = valueschecked.slice(0, -1);
+        // save last cycled filtered value already calculated field=val01,val02,val03
+        appendtoURL += eachfiltered +'=' +valueschecked +'&';
+ 
+        // remove last &
+        appendtoURL = appendtoURL.slice(0, -1);
+        
+        // update url
+        url += '?' +appendtoURL;
+ 
+        // show or modify the url
+        //alert( url );
+        //$('#filterlink').text(url);
+        
+        // convert a href url to new value
+        $('#submitfilteredlink').attr('href',url);
+ 
+    });
+ 
+})(jQuery);
+</script>
+
+
+<?php
+  }; //end xarxaprod_associats_filters_form
+}; // end if ! functions_exists
+?>
diff --git a/includes/custom-field-associats-filter.php b/includes/custom-field-associats-filter.php
new file mode 100644
index 0000000..ebc7520
--- /dev/null
+++ b/includes/custom-field-associats-filter.php
@@ -0,0 +1,84 @@
+<?php
+/**
+ * Makes a filter for the custom post type associats and its custom fields
+ *
+ * references:
+ * basic start
+ * https://www.advancedcustomfields.com/resources/creating-wp-archive-custom-field-filter/
+ * 
+ * checkbox adaptation query filter
+ * https://barn2.com/blog/querying-posts-by-custom-field-acf/#array-based-fields
+ *
+ * @package Xarxaprod_wp_plugin
+ */
+
+// define the filter fields
+// array of filters (field key => field name)
+$GLOBALS['my_query_filters_associat'] = array(
+  'associatfield' => 'xxp_associat_field', //disciplines
+  'associatterritory' => 'xxp_associat_territory', //territori
+  'associatservice' => 'xxp_associat_service', //serveis
+  'associatcenter' => 'xxp_associat_center' //centre
+
+);
+$GLOBALS['my_query_filters_associat_dates'] = array(
+  'associatapplybegin' => 'xxp_associat_apply_begin',
+  'associatapplyend' => 'xxp_associat_apply_end'
+  //'associatcall' => 'xxp_associat_call',
+);
+
+// action
+add_action('pre_get_posts', 'my_pre_get_posts_associats',10,1);
+if ( ! function_exists( 'my_pre_get_posts_associats' ) ){
+  function my_pre_get_posts_associats( $query ) {
+    
+    // bail early if is in admin
+    if( is_admin() ) { return; }
+    
+    // bail early if not main query or plugin $the_query_associat
+    // - allows custom code / plugins to continue working
+    if( !$query->is_main_query() ) return;
+
+
+
+    // loop over filters
+    foreach( $GLOBALS['my_query_filters_associat'] as $key => $fieldname)
+    {
+      // continue if not found in url
+      if( empty($_GET[ $fieldname ]) ) { continue; }
+
+      // get original meta query
+      $meta_query = [];
+      $meta_query[] = $query->get('meta_query');
+      $meta_query[] = array('relation'  => 'OR');
+
+      // get the values for this filter
+      // eg: http://domain.tdl/associat/?xxp_associat_target=autonoma,entitat-publica
+      $filtervalues= explode(',', $_GET[ $fieldname ]);
+
+      // loop retreived values from checkboxes and filter them with REGEXP
+      // http://domain.tdl/associat/?xxp_associat_target=autonoma&xxp_associat_field=circi
+      // http://domain.tdl/associat/?xxp_associat_target=autonoma,entitat-publica&xxp_associat_field=dansa
+      foreach( $filtervalues as $filteredvalue )
+      {
+        // they are array based fields
+        // https://barn2.com/blog/querying-posts-by-custom-field-acf/#array-based-fields
+        $strippedvalue = sprintf( '^%1$s$|s:%2$u:"%1$s";', $filteredvalue, strlen( $filteredvalue ) );
+
+        // add our meta query to the original meta queries
+        $meta_query[] = array(
+            array(
+                'key'     =>  $fieldname,
+                'value'   =>  $strippedvalue,
+                'compare' =>  'REGEXP',
+            ),
+        );
+      }
+    // update the meta query arguments
+    $query->set('meta_query', $meta_query);
+    }
+
+    //always return
+    return;
+  }
+}
diff --git a/includes/custom-post-type-associats.php b/includes/custom-post-type-associats.php
new file mode 100644
index 0000000..07ea253
--- /dev/null
+++ b/includes/custom-post-type-associats.php
@@ -0,0 +1,241 @@
+<?php
+/**
+ * Custom post type Espais Associats.
+ *
+ *
+ * @link       https://xarxaprod.cat
+ * @since      1.0.0
+ * @package    xarxaprod-wp-plugin 
+ * @subpackage xarxaprod-wp-plugin/includes
+ * @author     Jorge - vitrubio.net <jorge@vitrubio.net>
+ *
+ * @internal never define functions inside callbacks.
+ * these functions could be run multiple times; this would result in a fatal error.
+ */
+
+/**
+ * Start custom post types
+ * ----------------------------------------------------------------------------
+ * https://developer.wordpress.org/plugins/post-types/registering-custom-post-types/
+ * https://developer.wordpress.org/reference/functions/register_post_type/
+ */
+
+
+ // Register Custom Post Type
+if ( ! function_exists('xarxaprod_wpplugin_custom_post_associat_init') ){
+  function xarxaprod_wpplugin_custom_post_associat_init() {
+
+ 	$labels = array(
+ 		'name'                => _x( 'Associats', 'Post Tipu General Name', 'text_domain' ),
+ 		'singular_name'       => _x( 'Associat', 'Post Tipu Singular Name', 'text_domain' ),
+ 		'menu_name'           => __( 'Associats', 'text_domain' ),
+ 		'parent_item_colon'   => __( 'Associats mare/pare:', 'text_domain' ),
+ 	  'all_items'           => __( 'Tots els associats', 'text_domain' ),
+ 		'view_item'           => __( 'Mostra els associats', 'text_domain' ),
+ 		'add_new_item'        => __( 'Affegeix un associat', 'text_domain' ),
+ 		'add_new'             => __( 'Affegeix associat', 'text_domain' ),
+ 		'edit_item'           => __( 'Edita associat', 'text_domain' ),
+ 		'update_item'         => __( 'Desa associat', 'text_domain' ),
+ 		'search_items'        => __( 'Cerca associat', 'text_domain' ),
+ 		'not_associat'           => __( 'No hem pogut trovar ningúna associat', 'text_domain' ),
+ 		'not_associat_in_trash'  => __( 'No hem trovat cap associat a la brosa', 'text_domain' )
+ 	);
+ 	$rewrite = array(
+		'slug'                => 'associat'
+ 	);
+	// https://wordpress.stackexchange.com/questions/108338/capabilities-and-custom-post-types#108375
+	// https://developer.wordpress.org/reference/functions/register_post_type/#capability_type
+	//$capabilities =  array(
+	//	'read' 					          => 'read_associat',
+	//	'publish_posts' 			    => 'publish_associat',
+	//	'edit_posts'					    => 'edit_associat',
+	//	'edit_published_posts'    => 'edit_published_associat', 
+	//	'edit_others_posts' 	    => 'edit_others_associat',
+	//	'delete_posts' 				    => 'delete_associat',
+	//	'delete_published_posts'	=> 'delete_published_associat',
+	//	'delete_others_posts'     => 'delete_others_associat',
+	//	'delete_private_posts'    => 'delete_private_associat'
+	//	);
+ 	$args = array(
+ 		'label'               => __( 'xarxaprod-associat', 'text_domain' ),
+ 		'description'         => __( 'Associats', 'text_domain' ),
+ 		'labels'              => $labels,
+    //'supports'            => array( 'title', 'editor', 'thumbnail', 'trackbacks', 'revisions', 'custom-fields', 'page-attributes' ),
+    'supports'            => array( 'title', 'editor', 'trackbacks', 'revisions', 'custom-fields', 'page-attributes' ),
+   // 'taxonomies'          => array(
+   //   'xarxaprod-associat-category',
+   //   'xarxaprod-associat-tag'
+   // ),
+ 		'hierarchical'        => true,
+ 		'public'              => true,
+ 		'show_ui'             => true,
+ 		'show_in_menu'        => true,
+ 		'show_in_nav_menus'   => true,
+ 		'show_in_admin_bar'   => true,
+    'show_in_rest'        => true,
+ 		'menu_position'       => 5,
+ 		'menu_icon'           => 'dashicons-calendar',
+ 		'can_export'          => true,
+ 		'has_archive'         => true,
+ 		'exclude_from_search' => false,
+ 		'publicly_queryable'  => true,
+ 		'capability_type'     => 'post',
+    'rewrite'             => $rewrite,
+		//'capabilities' 				=> $capabilities,
+		//'map_meta_cap' 				=> true //neded to apply the new capabilities.
+ 	);
+ 	register_post_type( 'xarxaprod-associat', $args );
+  }
+}// end function_exists xarxaprod_wpplugin_custom_post_associat_init
+ // Hook into the 'init' action
+ add_action( 'init', 'xarxaprod_wpplugin_custom_post_associat_init', 0 );
+
+
+  // flush rewrite and when changing theme or plugin
+// https://developer.wordpress.org/reference/functions/register_post_type/#flushing-rewrite-on-activation
+if ( ! function_exists( 'xarxaprod_associat_rewrite_flush') ){
+  function xarxaprod_associat_rewrite_flush() {
+     xarxaprod_wpplugin_custom_post_associat_init();
+     flush_rewrite_rules();
+  }
+}// end function_exists xarxaprod_associat_rewrite_flush
+  add_action( 'after_switch_theme', 'xarxaprod_associat_rewrite_flush' );
+
+ // give capabilities once the custom post id activated
+// function xarxaprod_wpplugin_add_caps() {
+	  // gets the XX role
+	  // $admins = get_role( '' );
+	  // $admins->add_cap(  );
+    // gets the administrator role
+
+
+//}
+//add_action( 'admin_init', 'xarxaprod_wpplugin_add_caps');
+
+
+
+/**
+ * Start custom taxonomies
+ * ----------------------------------------------------------------------------
+ * https://developer.wordpress.org/plugins/taxonomies/working-with-custom-taxonomies/
+ * https://developer.wordpress.org/reference/functions/register_taxonomy/
+ */
+
+ // Register Custom Taxonomy Category for Associats
+ //function xarxaprod_wpplugin_associat_category_register() {
+
+ //	$labels = array(
+ //		'name'                       => _x( 'Associats Tipus', 'Taxonomy General Name', 'text_domain' ),
+ //		'singular_name'              => _x( 'Tipus d`associat', 'Taxonomy Singular Name', 'text_domain' ),
+ //		'menu_name'                  => __( 'Associats Tipus', 'text_domain' ),
+ //		'all_items'                  => __( 'All type associat', 'text_domain' ),
+ //		'parent_item'                => __( 'Parent type associat', 'text_domain' ),
+ //		'parent_item_colon'          => __( 'Parent type associat:', 'text_domain' ),
+ //		'new_item_name'              => __( 'New type associat', 'text_domain' ),
+ //		'add_new_item'               => __( 'Add New type associat', 'text_domain' ),
+ //		'edit_item'                  => __( 'Edit type associat', 'text_domain' ),
+ //		'update_item'                => __( 'Update type of associat', 'text_domain' ),
+ //		'separate_items_with_commas' => __( 'Separate type associat with commas', 'text_domain' ),
+ //		'search_items'               => __( 'Search type of associat', 'text_domain' ),
+ //		'add_or_remove_items'        => __( 'Add or remove type of associat', 'text_domain' ),
+ //		'choose_from_most_used'      => __( 'Choose from the most used type of associat', 'text_domain' ),
+ //		'not_associat'                  => __( 'Tipus d`associat Not Associat', 'text_domain' )
+ //	);
+ //  $rewrite = array(
+ //		'slug'                       => 'associat-tipus'
+ //	);
+ // //$capabilities =  array(
+ // //	'manage_terms'				=> 'Xarxaprod Manage associat Tipus',
+ // //	'edit_terms'				  => 'Xarxaprod Edit associat Tipus',
+ // //	'delete_terms'				=> 'Xarxaprod Delete associat Tipus',
+ // //	'assign_terms'				=> 'Xarxaprod Assign associat Tipus',
+ // //	);
+ //	$args = array(
+ //		'labels'              => $labels,
+ //		'hierarchical'        => true,
+ //		'public'              => true,
+ //		'show_ui'             => true,
+ //		'show_admin_column'   => true,
+ //		'show_in_nav_menus'   => true,
+ //		'show_tagcloud'       => false,
+ //   'rewrite'             => $rewrite,
+ // 	//'capabilities' 				=> $capabilities,
+ // 	'map_meta_cap' 				=> true //neded to apply the new capabilities.
+
+ //	);
+ // register_taxonomy( 'xarxaprod-associat-category', array( 'xarxaprod-associat' ) , $args );
+ //}
+
+ // Hook into the 'init' action
+ //add_action( 'init', 'xarxaprod_wpplugin_associat_category_register', 0 );
+
+ // Register Custom Taxonomy Tag for Associats
+// function xarxaprod_wpplugin_associat_tag_register() {
+//
+//  $labels = array(
+//    'name'                       => _x( 'Associats Tags', 'Taxonomy General Name', 'text_domain' ),
+//    'singular_name'              => _x( 'Associat Tag', 'Taxonomy Singular Name', 'text_domain' ),
+//    'menu_name'                  => __( 'Associats Tags', 'text_domain' ),
+//    'all_items'                  => __( 'All associat tags', 'text_domain' ),
+//    'parent_item'                => __( 'Parent associat tag', 'text_domain' ),
+//    'parent_item_colon'          => __( 'Parent associat tag:', 'text_domain' ),
+//    'new_item_name'              => __( 'New associat tag', 'text_domain' ),
+//    'add_new_item'               => __( 'Add New associat tag', 'text_domain' ),
+//    'edit_item'                  => __( 'Edit associat tag', 'text_domain' ),
+//    'update_item'                => __( 'Update associat tag', 'text_domain' ),
+//    'separate_items_with_commas' => __( 'Separate associat tag with commas', 'text_domain' ),
+//    'search_items'               => __( 'Search associat tags', 'text_domain' ),
+//    'add_or_remove_items'        => __( 'Add or remove associat tag', 'text_domain' ),
+//    'choose_from_most_used'      => __( 'Choose from the most used associat tags', 'text_domain' ),
+//    'not_associat'                  => __( 'Associat tag Not Associat', 'text_domain' ),
+//  );
+//   $rewrite = array(
+//    'slug'                       => 'associat-tag',
+//		// 'with_front'								 => false,
+//  );
+//	//$capabilities =  array(
+//	//	'manage_terms'				=> 'Xarxaprod Manage associat Tag',
+//	//	'edit_terms'				  => 'Xarxaprod Edit associat Tag',
+//	//	'delete_terms'				=> 'Xarxaprod Delete associat Tag',
+//	//	'assign_terms'				=> 'Xarxaprod Assign associat Tag',
+//	//	);
+//
+//  $args = array(
+//    'labels'                     => $labels,
+//    'hierarchical'               => false,
+//    'public'                     => true,
+//    'show_ui'                    => true,
+//    'show_admin_column'          => true,
+//    'show_in_nav_menus'          => true,
+//    'show_tagcloud'              => true,
+//    'rewrite'                    => $rewrite,
+//		//'capabilities' 				=> $capabilities,
+//		'map_meta_cap' 				=> true //neded to apply the new capabilities.
+//  );
+//  register_taxonomy( 'xarxaprod-associat-tag', array( 'xarxaprod-associat' ) , $args );
+// }
+
+ // Hook into the 'init' action
+ //add_action( 'init', 'xarxaprod_wpplugin_associat_tag_register', 0 );
+
+ // changing the permalink
+ // https://wordpress.stackexchange.com/questions/108642/permalinks-custom-post-type-custom-taxonomy-post
+ // change in register_post_type the slug 'rewrite' to this
+ // $rewrite = array(
+	//   'slug'                       => 'associat/%xarxaprod-associat-category%',
+	//   'with_front'                 => true,
+	//   'hierarchical'               => true,
+ // );
+ // uncomment below
+ //
+ // function xarxaprod_wpplugin_associat_and_category_permalink( $post_link, $id = 0 ){
+ //     $post = get_post($id);
+ //     if ( is_object( $post ) && $post->post_type == 'xarxaprod-associat' ){
+ //         $terms = wp_get_object_terms( $post->ID, 'xarxaprod-associat-category' );
+ //         if( $terms ){
+ //             return str_replace( '%xarxaprod-associat-category%' , $terms[0]->slug , $post_link );
+ //         }
+ //     }
+ //     return $post_link;
+ // }
+ // add_filter( 'post_type_link', 'xarxaprod_wpplugin_associat_and_category_permalink', 1, 2 );