<form>
            contactId: <input type="text" name="contactId" value="<?php 
if (isset($_REQUEST['contactId'])) {
    echo htmlspecialchars($_REQUEST['contactId']);
}
?>
"><br/>
            historyId: <input type="text" name="historyId" value="<?php 
if (isset($_REQUEST['historyId'])) {
    echo htmlspecialchars($_REQUEST['historyId']);
}
?>
"><br/>
            userId: <input type="text" name="userId" value="<?php 
if (isset($_REQUEST['userId'])) {
    echo htmlspecialchars($_REQUEST['userId']);
}
?>
"><br/>
    <input type="submit">
<input type="hidden" name="go">
</form>
<?php 
include '../infusionsoft.php';
include 'testUtils.php';
if (isset($_REQUEST['go'])) {
    $out = Infusionsoft_ContactService::applyActivityHistoryTemplate($_REQUEST['contactId'], $_REQUEST['historyId'], $_REQUEST['userId']);
    var_dump($out);
}