/**
 * Enum class with param [x]
 */
enum class EnumKotlinParam(val x: String) {
    NORTH("n"),
    EAST("e")
}

For K1:

For K2 the link in the description is unresolved

As I see in the K2 IJ plugin, the link is resolvable.
If the property is declared in class body, is works.

Installation

• Dokka version: 1.9.20

Parent #3328