Noted That:

• To install correctly this wc-invoice-pdf.zip .
• Fisrt Download the wc-invoice-pdf.zip to your computer
• Extract/Open wc-invoice-pdf.zip to Your Computer.
• Then, Find readme.txt file inside wc-invoice-pdf.zip and Open readme.txt .
• Now, Read the Requirements of this plugin. Which Wordpress Version and PHP Version are required to run this Plugin in Your Wordpress Site.
• Then, Follow the Tips Below.

Start the Tips:

1. First Download " wc-invoice-pdf.zip " Plugin to your Local Computer. (Click Download)

2. Then, Login to your " yourdomain.com/wp-admin " Dashboard.

3. Then, Click on " Plugins " + " Add New " from left sidemenu of Dashboard.

4. Now, Click on "Upload Plugin" button.

5. Now, Browse " wc-invoice-pdf.zip "  Downloaded plugin from your computer, Where you downloaded wc-invoice-pdf.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " WC Recurring Invoice Pdf " folder is added on left sidemenu. Now, Click on " WC Recurring Invoice Pdf " folder.

   Noted that: If you do not see " WC Recurring Invoice Pdf " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  WC Recurring Invoice Pdf Configurtions and Settings or How to work " WC Recurring Invoice Pdf " in your WordPress site.

After Activated Plugin According to Step-6 then,

1. Go to " Plugins " + " Installed Plugin " from Wordpress Admin Panel Leftside Menu.
2. or Direct go to: https://yourdomain/wp-admin/plugins.php
3. Then, Find " WC Recurring Invoice Pdf " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is WC Recurring Invoice Pdf
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

• Search for “wp-ispconfig3” in the “Plugins -> Install” register
• Install and active the plugin
• Open the “WC-Invoices” -> “Settings” menu from admin pane for configuration

TESTING

For testing the recuring payments (submission of invoices) the “Test recuring” settings can be hooked to overwrite any customer email address

DEVELOPMENT

To set the recurring state of an order while receiving a request, an action hook can be used to achieve this

// call the plugin to mark it as yearly recurring payment order
do_action('wcinvoicepdf_order_period', $order_id, 'yearly');
// call the plugin to mark it as monthly recurring payment order
do_action('wcinvoicepdf_order_period', $order_id, 'monthly');

To add additional info into the invoice metabox located in order, the following hook is availble

do_action('wcinvoicepdf_invoice_metabox', $post_id);