submit callback

example.module

<?php
$form['filters']['button'] = array(
    // '#weight' => '4',
    '#type' => 'button',
    '#value' => t('Filtrar'),
    '#ajax' => array(
      'callback' => 'custom_ajax_submit',
      'wrapper' => 'id',
      'method' => 'replace',
    ),
  );
  
  function custom_ajax_submit(&$form, &$form_state) {
    return array(
      '#type' => 'ajax',
      '#commands' => array(
        ajax_command_replace("#id", 'cambios'),
      )
    );
  }
  
  
  
  
  
  ?>