Pop-up

Here is the Basic template for your requirement , do the necessary changes

{
  a!localVariables(
    local!click: false,
    local!options: {
      "Properties",
      "Versions",
      "Rename",
      "Download"
    },
    a!cardLayout(
      contents: {
        a!buttonArrayLayout(
          buttons: {
            a!buttonWidget(
              icon: "caret-down",
              iconPosition: "END",
              label: "MORE",
              saveInto: a!save(local!click,not(true)),
              style: "OUTLINE"
            )
          },
          align: "START",
          marginBelow: "NONE"
        ),
       a!cardLayout( contents: 
         a!forEach(
          items: local!options,
          expression: a!richTextDisplayField(
            value: a!richTextItem(
              text: fv!item,
              link: a!dynamicLink()
            )
          )
        ))
      },
      height: "AUTO",
      style: "TRANSPARENT",
      marginBelow: "STANDARD"
    )
  )
}

and one more thing POP UP is not possible for now in appian instead use this https://appian.rocks/2023/08/14/overlapping-card-layouts/

You can consider using record action with style "Menu" if it meets your requirement.

Docs

Hello antogladvinj3315,

You cannot have this kind of menu dropdown with overlapping on the content. What is the requirement or what are you planning to use it for?
If you can elaborate a little more on your design requirement may be we can come up with some ideas.