How to embed form using Lightbox Pop Up?

How do I work the code so that a button that is already on our site links to the pop up instead of using the forms native buttons

To get the LightBox embed working in your website/form, kindly follow the guide below which elaborates on how you will generate the code and use it.

https://www.jotform.com/help/220-How-to-Create-a-Lightbox-Form

https://www.jotform.com/help/203-How-to-Auto-popup-a-Lightbox-Form

Kindly do let us know if the above information was helpful.

Specifically I was asking for a url that would trigger a lightbox. For instance I would put the script in the head tags, then a button our webdesigner makes in the page would have a url that would open that light box. Basically the same functionality of the first link you sent me but by using our own native button instead
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You need to insert the lightbox class attribute on the anchor tag or image tag. Here's an example: class="btn lightbox-123456789"

Here's a screenshot from the user guide (How-to-Create-a-Lightbox-Form):

Hope that helps. Thank you.