create a static widget in boilerplate.

functions.php

<?php
add_action( 'widgets_init', 'Sample_Widget' );

function Sample_Widget() {
    register_widget('Sample_Widget');
}

class Sample_Widget extends WP_Widget {


    /** constructor -- name this the same as the class above */
    function __construct() {
      $widget_ops = array( 'classname' => 'Sample_Widget', 'description' => __('Sample Widget', 'wplms-wim') );
      $control_ops = array( 'width' => 300, 'height' => 350, 'id_base' => 'Sample_Widget' );

      parent::__construct( 'Sample_Widget', __(' DASHBOARD : Sample Widget'), $widget_ops, $control_ops );
    
    
    }
    
    function widget( $args, $instance ) {
        extract( $args );

        global $wpdb;

        $init = VibeBP_API_Init::init();
        
        $user_id = 0;
        if(!empty($init->user)){
            $user_id=$init->user->id;    
        }
        
        
        $title = apply_filters('widget_title', $instance['title'] );
        $width =  $instance['width'];

        echo '<div class="'.$width.'">
                <div class="dash-widget">'.$before_widget;
        if ( $title )
            echo $before_title . $title . $after_title;

          
        //DO WIDGET THING
        

          
        echo '</div>';
        echo $after_widget.'
        </div>';
        return;

    }

    /** @see WP_Widget::update -- do not rename this */
    function update($new_instance, $old_instance) {   
        $instance = $old_instance;
        $instance['title'] = strip_tags($new_instance['title']);
        $instance['width'] = $new_instance['width'];

        //more params
        return $instance;
    }
 
 
   
    function form($instance) {  
        $defaults = array( 
            'title'  => __('Instructor Membership Stats','wplms-wim'),
            'width' => 'col-md-6 col-sm-12'
            //more params
        );
        
        $instance = wp_parse_args( (array) $instance, $defaults );
        $title  = esc_attr($instance['title']);
        $width = esc_attr($instance['width']);
        
        ?>
        <p>
          <label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:','wplms-wim'); ?></label> 
          <input class="regular_text" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" />
        </p>
        <p>
          <label for="<?php echo $this->get_field_id('width'); ?>"><?php _e('Select Width','wplms-wim'); ?></label> 
          <select id="<?php echo $this->get_field_id('width'); ?>" name="<?php echo $this->get_field_name('width'); ?>">
            <option value="col-md-3 col-sm-6" <?php selected('col-md-3 col-sm-6',$width); ?>><?php _e('One Fourth','wplms-wim'); ?></option>
            <option value="col-md-4 col-sm-6" <?php selected('col-md-4 col-sm-6',$width); ?>><?php _e('One Third','wplms-wim'); ?></option>
            <option value="col-md-6 col-sm-12" <?php selected('col-md-6 col-sm-12',$width); ?>><?php _e('One Half','wplms-wim'); ?></option>
            <option value="col-md-8 col-sm-12" <?php selected('col-md-8 col-sm-12',$width); ?>><?php _e('Two Third','wplms-wim'); ?></option>
             <option value="col-md-8 col-sm-12" <?php selected('col-md-9 col-sm-12',$width); ?>><?php _e('Three Fourth','wplms-wim'); ?></option>
            <option value="col-md-12" <?php selected('col-md-12',$width); ?>><?php _e('Full','wplms-wim'); ?></option>
          </select>
        </p>
        <?php 
        //more params
    }
}