an> <span class="keyword">static</span> <span class="identifier">Task</span>&lt;<span class="identifier">WxJsonResult</span>&gt; <span class="identifier">BindToGiftCardAsync</span>(
	<span class="identifier">string</span> <span class="parameter">accessTokenOrAppId</span>,
	<span class="identifier">string</span> <span class="parameter">subId</span>,
	<span class="identifier">string</span> <span class="parameter">wxaAppId</span>,
	<span class="identifier">int</span> <span class="parameter">timeOut</span> = 10