[HacktionLab] ok, getting pretty close

[yossarian]

mark wrote:
> On 28/04/10 22:36, yossarian wrote:
> > I'm using the param "item_number" as it seemed kind of right for
> this purpose...
> > Can anyone see what I'm doing wrong?
>
> I haven't used paypal in this way before, but my reading was that a
> different "item_number" parameter was passed from vendor site to paypal,
> to distinguish each different type of merchandise on sale. We only have
> one 'product' so I don't think that's what you want. 

Ok, that makes sense.  Any suggestions for what to use instead? Maybe a
custom field?

> Does paypal return
> a unique transaction identifier to our application?
I haven't configured any callbacks, I guess I could do so, perhaps
tomorrow if I get the time.