YAML blueprints extra boxes

Hello,

I’m to learn how to use blueprints, everything works good but just want to know if there is any chance to make a button which you pressing and the same box with options will appear for example look in the image below:

So I would like to have a button under him which i would press and the same options would appear, and i would able to have multiple boxes. is there any possibility to do that with YAML or is there no luck in it? I’m kind of new to YAML

You have to use a list field: exemple:

header.mylistfield:
  type: list
  label: Add element
  fields:
    .mytextbox:
      type: text
      label: My text box
1 Like

It worked!
Thank you!