app/pb_kits/playbook/pb_dialog/docs/_dialog_sizes_swift

dialog-large

    @State private var presentSmallDialog: Bool = false
    @State private var presentMediumDialog: Bool = false
    @State private var presentLargeDialog: Bool = false
    let infoMessage = "This is a message for informational purposes only and requires no action."

     PBDialog(
            title: "Large",
            message: infoMessage,
            variant: .default,
            isStacked: false,
            cancelButton: ("Cancel", {}),
            confirmButton: ("Okay", {}),
            size: .large
          )