Customizing Search Plugin

Please quote on cost to customize the plugin to extend this functionality :

In the front end, the searcher will enter his name and email. He then enters the search parameters.

If the Search Result is Empty (no search found), the searcher will land at a page with admin-customized text and an action button with a hyperlink. On clicking the action button,the seacrher will land on another page.

If the Search Result is NOT empty (search found, maybe 1 or more items), the searcher will land at a page showing the results with a action buttons and at the same time, send an email to the admin. The email will contain the search result along with the name and searcher’s email. The 2 action items can be hyerlink to lead to 2 different pages.

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https://wordpress.org/plugins/advance-wp-query-search-filter/