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/

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/

Thanks