All kinds of filters for Wappointment

functions.php

<?php 

add_filter('wappointment_admin_email_head_image', 'my_wappointment_admin_email_head_image', 10, 1);

function my_wappointment_admin_email_head_image($value){
    return 'https://www.google.com/images/branding/googlelogo/2x/googlelogo_light_color_272x92dp.png';
}

add_filter('wappointment_admin_email_head_link', 'my_wappointment_admin_email_head_link', 10, 1);

function my_wappointment_admin_email_head_link($value){
    return 'https://www.google.com';
}

function wappointment_replyto_email($value)
{
    return 'mytestemail@email.com';
}
add_filter('wappointment_replyto_email', 'wappointment_replyto_email', 10, 1);

function wappointment_replyto_name($value)
{
    return 'My name';
}
add_filter('wappointment_replyto_name', 'wappointment_replyto_name', 10, 1);

 function wappointment_ics_signature($value) {
    return true;
}
add_filter( 'wappointment_ics_signature', 'wappointment_ics_signature', 10, 1);