public Builder action(@Nullable Output<String> action) {
            $.action = action;
            return this;
        }
@param action action is what action was taken/failed regarding to the regarding object. It is machine-readable. This field cannot be empty for new Events and it can have at most 128 characters.

@return builder
sdk/java/src/main/java/com/pulumi/kubernetes/events/v1/inputs/EventArgs.java