 class='ivar'>@api_client</span><span class='period'>.</span><span class='id identifier rubyid_config'>config</span><span class='period'>.</span><span class='id identifier rubyid_client_side_validation'>client_side_validation</span> <span class='op'>&amp;&amp;</span> <span class='id identifier rubyid_webhook_id'>webhook_id</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>
    <span class='id identifier rubyid_fail'>fail</span> <span class='const'>ArgumentError</span><spa