2

Is there a quick way to pass in the contribution amount via URL on custom amounts?

http://example.org/civicrm/contribute/transact?reset=1&id=2&price=35

I'm not looking to use a price set, just a total amount. Ideally, I'd like to pay an existing contribution and bring up a form with the amount and contribution to pay against with a credit card.

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4

I just tried this on CiviCRM 4.6.18 and successfully passed the amount through using the field Name or id (inspect the field to find the name or id) In the case of my form I did this: http://example.org/civicrm/contribute/transact?reset=1&id=2&price_5=35

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  • This is still working on civicrm 5.x.x – Luke Stewart Aug 29 at 4:24
3

If a javascript solution suits you:

var a = document.createElement('a');
a.href = document.location;
var amount = a.search.match(/amount=([0-9]+)/)[1];
jQuery('#search input[name="q"]').val(amount);
  • Visit this URL -- current page + ?amount=1234
  • Paste the above code in your browser console
  • Observe that the StackExchange search box now contains the value from the current page's query params.
  • Add a free-text amount input to your contribute form.
  • Use equivalent approach to populate that value on your own site.
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  • 1, 2. The first two lines look weird, but they are just there to allow the third to easily steal the query param from the current URL. – Chris Burgess Aug 24 '15 at 4:12
  • Thanks for the solution .It would be great to have a CiviCRM generated form, ideally attached to the Contribution ID. The idea is to apply a payment using the CiviCRM payment processor to an existing contribution. I was hoping I could use an existing contribution form and pipe the contribution ID and amount in. – Adam Aug 24 '15 at 8:58
  • The solution above is intended for that use case. If you need it in the page instead of via JS, you want hook_buildform() in a custom extension I think. – Chris Burgess Aug 24 '15 at 9:16
  • Thanks. Did you have an example to get started? – Adam Aug 24 '15 at 10:16
  • The civi tracker module linked in the wiki article on this comment is an example with similar functionality if you join the dots. – Chris Burgess Aug 24 '15 at 18:35

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