Addon

<?php
add_hook('AddonActivated', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonActivation', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonAdd', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonCancelled', 1, function($vars) {
    // Perform hook code here...
});

<?php

add_hook('AddonConfig', 1, function($vars) {
    return [
        'Additional Field 1' => '<input type="text" name="additionalFieldOne" class="form-control input-150" />',
        'Additional Field 2' => '<input type="text" name="additionalFieldTwo" class="form-control input-150" />',
    ];
});

<?php

//Obtain the values defined in the AddonConfig hook point and save them as required
add_hook('AddonConfigSave', 1, function($vars) {
    $addonId = $vars['id'];
    $additionalFieldOne = $_REQUEST['additionalFieldOne'];
    $additionalFieldTwo = $_REQUEST['additionalFieldTwo'];

    //Save the data here
});

<?php
add_hook('AddonDeleted', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonEdit', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonRenewal', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonSuspended', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonTerminated', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AddonUnsuspended', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('AfterAddonUpgrade', 1, function($vars) {
    // Perform hook code here...
});

<?php
add_hook('LicensingAddonReissue', 1, function($vars) {
    // Perform hook code here...
});

<?php

add_hook('LicensingAddonVerify', 1, function($vars) {
    return [
        'myExtraVariable' => 'Yes',
        'myOtherVariable' => 'Sure',
    ];
});

<?php
add_hook('ProductAddonDelete', 1, function($vars) {
    // Perform hook code here...
});