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angusmcjs
New Participant
December 28, 2021
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Form AutoFill Q - Does it only work w/ Marketo JS

  • December 28, 2021
  • 1 reply
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We are in the middle of launching our Marketo instance and the solution we are implementing for our site is that we are having a hardcoded webform post to the marketo form in the UI.

My question is, if we used a hidden field to capture UTM params with a pre-fill, does that need to be passed along with the post given that we are not loading/embedding the marketo form directly on the page, or because the pre-fill is based on UTM params, is that something Marketo parses from the URL meta data post-submission?

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Best answer by SanfordWhiteman

So just to confirm, the auto-fill would still work to pull the utm params from the query string? Those values don't need to be passed to the form? Because that's where I'm stuck - we've tested it, and it doesn't seem to be taking the UTM params from the URL


No, the opposite.

 

You aren’t using the JS library, so nothing will be parsed for you. You need to parse and pass the individual field values as you would any other string field.

 

Like I said above:

 

Marketo will have no idea what you did on your form or server to populate the fields, all of that is up to you

 

Btw, using the Forms 2.0 JS library is a lot more scaleable than doing this on your own server. Not sure what exactly led you down that path but you may wish to reconsider the design.

1 reply

SanfordWhiteman
SanfordWhiteman
New Participant
December 28, 2021
You were mixing up "Pre-Fill" and "Auto-Fill" (I edited the title of your post).

Hidden fields can be Auto-Filled from query params.

Pre-Fill refers to loading the Person's current values into the form (the fields may be hidden or visible).

When you say 'having a hardcoded form post... in the UI' I assume you mean you're posting a hidden Marketo form using the JS API, correct?

In this case you can have the hidden fields be only on the (also hidden) form. They do not need to be processed by your JS at all, as they will still be Auto-Filled even when hidden.
    A
    angusmcjsAuthor
    New Participant
    December 29, 2021

    Awesome! Thank you for confirming.

    I thought that query params was an option to select, but the UI isn't letting me select that as an option - do you know if this is something I need to go to my rep about?

     

    SanfordWhiteman
    SanfordWhiteman
    New Participant
    December 29, 2021

    “URL Parameter” means “Query Parameter”.

     

    (Modern-standards-wise, the term would be “URL Search Parameter”.)

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