Custom Scratch Card Plugin Example

<?php
/**
 * Plugin Name: Custom Scratch Card Templates
 * Description: Adds custom templates to the myCRED Scratch Card add-on.
 * Version: 1.0
 * Tags: mycred, scratch card, template
 * Author: Author Name
 * Author URI: http://www.authorswebsite.com
 * Requires at least: WP 3.8
 * Tested up to: WP 4.4.1
 * License: Copyrighted
 *
 * Copyright © 2016 Author Name
 *
 * Permission is hereby granted, to the licensed domain to install and run this
 * software and associated documentation files (the "Software") for an unlimited
 * time with the followning restrictions:
 *
 * - This software is only used under the domain name registered with the purchased
 *   license though the myCRED website (mycred.me). Exception is given for localhost
 *   installations or test enviroments.
 *
 * - This software can not be copied and installed on a website not licensed.
 *
 * - This software is supported only if no changes are made to the software files
 *   or documentation. All support is voided as soon as any changes are made.
 *
 * - This software is not copied and re-sold under the current brand or any other
 *   branding in any medium or format.
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
define( 'CUSTOM_SCRATCH_TEMPLATE_VERSION', '1.0' );
define( 'CUSTOM_SCRATCH_TEMPLATE',         __FILE__ );

/**
 * Add Templates
 * Note that values marked as "optional" must still be defined but left empty is not used.
 * @since 1.0
 * @version 1.0
 */
if ( ! function_exists( 'mycredpro_add_custom_scratch_template' ) ) :
    function mycredpro_add_custom_scratch_template( $templates ) {

        $templates['my_template'] = array(
            'label'               => 'My Template Name',
            'minimum_scratch'     => 75,
            'brush_diameter'      => 15,
            'card_width'          => 300,
            'card_height'         => 400,
            'cover_image'         => plugins_url( 'templates/name/name-cover.png', CUSTOM_SCRATCH_TEMPLATE ),
            'coin_image'          => '', // optional
            'buy_log'             => '', // optional
            'win_log'             => '', // optional
            'win_message'         => '', // optional
            'setup'               => array(
                array(
                    'number'         => 100,
                    'value'          => 0,
                    'attachment_ids' => array(
                        plugins_url( 'templates/name/name-nowin.png', CUSTOM_SCRATCH_TEMPLATE )
                    )
                ),
                array(
                    'number'         => 10,
                    'value'          => 10,
                    'attachment_ids' => array(
                        plugins_url( 'templates/name/name-win.png', CUSTOM_SCRATCH_TEMPLATE )
                    )
                )
            )
        );

        return $templates;

    }
endif;
add_filter( 'mycred_scratch_card_templates', 'mycredpro_add_custom_scratch_template' );

?>