I have a plugin, a cron job runs refresh_my_plugin() daily.

I need a button on my plugins Settings/option page, allowing a user to manually run said function, and I want it inline, with ajax.

I've got the following, which should work - but how would I add Wordpress Nonces to it?

    if (isset($_POST['refresh_my_plugin'])) {

    function refresh_my_plugin() {
        // main function, runs daily with cron
        return true;

<button id='refresh'>Refresh My Plugin</button>

            type: 'post',
            data: { "refresh_my_plugin": "now"},
            success: function(response) { 
                jQuery('#refresh').text("Successfully Refreshed!");
            error: function(response) { 

I figured it out. Simply, in my request, under data, I added

"nonce" : "<?php echo wp_create_nonce( 'refresh_my_plugin' ); ?>"

then to verify

if (isset($_POST['refresh_my_plugin']))
    if ( wp_verify_nonce( $_POST['nonce'], 'refresh_my_plugin' ) )

With incorrect wp_verify_nonce, I instead get a 403, which is reflected on the button with the error handler.

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