What is the function of micro-letter AA? How to use micro-letter AA Receivables

We open the micro-letter account on the phone, then we click on the lower right corner of the micro-mail click me, and then we click on the "wallet" details as follows:

After the micro-letter "wallet" we found the "AA receivables" details are as follows:

On the top of my wallet window, click on AA receivables to enter into a AA collection window, which can be clicked on the AA collection window to select a party AA or general fundraising, as shown in the figure:

Now we go to "regular fundraising" and then at the window we can fill in the theme of the fundraising, then enter the per capita fee, and then click Next, as shown in the figure:

After the information is filled in, we click "Next" as shown in the picture:

There is a two-dimensional code map after the receipt window is sent, and we click on the image as shown:

If you click on a sweep of the collection there will be a two-dimensional code to send a two-dimensional code to friends can be scanned two-dimensional code to pay, as shown in the figure:

If you click to send a receipt to a friend, you go to the Friend Selection window, in the Address Book Select to send the collection of friends, and then click OK as shown in the picture:

Select Friends Click OK will appear after the Confirmation Send window, click on the window to send the collection information sent to friends, as shown: