https://github.com/Koenkk/zigbee-herdsman-converters/pull/5657

ext.js

const fz = require('zigbee-herdsman-converters/converters/fromZigbee');
const tz = require('zigbee-herdsman-converters/converters/toZigbee');
const exposes = require('zigbee-herdsman-converters/lib/exposes');
const reporting = require('zigbee-herdsman-converters/lib/reporting');
const legacy = require('zigbee-herdsman-converters/lib/legacy');
const extend = require('zigbee-herdsman-converters/lib/extend');
const ota = require('zigbee-herdsman-converters/lib/ota');
const tuya = require('zigbee-herdsman-converters/lib/tuya');
const utils = require('zigbee-herdsman-converters/lib/utils');
const globalStore = require('zigbee-herdsman-converters/lib/store');
const e = exposes.presets;
const ea = exposes.access;

const fzLocal = {
    TS0726_action: {
        cluster: 'genOnOff',
        type: ['raw'],
        convert: (model, msg, publish, options, meta) => {
            return {action: `scene_${msg.endpoint.ID}`};
        },
    },
};

const tzLocal = {
    switch_mode: {
        key: ['switch_mode'],
        convertSet: async (entity, key, value, meta) => {
            await entity.write(0xe001, {0xd020: {value: {switch: 0, scene: 1}[value], type: 0x30}});
            return {state: {switch_mode: value}};
        },
    },
};

const definition = {
    zigbeeModel: ['TS0726'],
    model: 'TS0726',
    vendor: 'TuYa',
    description: '4 gang switch with neutral wire',
    fromZigbee: [fz.on_off, tuya.fz.power_on_behavior_2, fz.ignore_basic_report, fzLocal.TS0726_action],
    toZigbee: [tz.on_off, tuya.tz.power_on_behavior_2, tzLocal.switch_mode],
    exposes: [e.switch().withEndpoint('l1'), e.power_on_behavior().withEndpoint('l1'), e.switch().withEndpoint('l2'),
        e.power_on_behavior().withEndpoint('l2'), e.switch().withEndpoint('l3'), e.power_on_behavior().withEndpoint('l3'),
        e.switch().withEndpoint('l4'), e.power_on_behavior().withEndpoint('l4'),

        e.enum('switch_mode', ea.STATE_SET, ['switch', 'scene']).withEndpoint('l1'),
        e.enum('switch_mode', ea.STATE_SET, ['switch', 'scene']).withEndpoint('l2'),
        e.enum('switch_mode', ea.STATE_SET, ['switch', 'scene']).withEndpoint('l3'),
        e.enum('switch_mode', ea.STATE_SET, ['switch', 'scene']).withEndpoint('l4'),
        e.action(['scene_1', 'scene_2', 'scene_3', 'scene_4']),

    ],
    endpoint: (device) => {
        return {'l1': 1, 'l2': 2, 'l3': 3, 'l4': 4};
    },
    meta: {multiEndpoint: true},
    configure: async (device, coordinatorEndpoint, logger) => {
        await tuya.configureMagicPacket(device, coordinatorEndpoint, logger);
        await reporting.bind(device.getEndpoint(1), coordinatorEndpoint, ['genOnOff']);
        await reporting.bind(device.getEndpoint(2), coordinatorEndpoint, ['genOnOff']);
        await reporting.bind(device.getEndpoint(3), coordinatorEndpoint, ['genOnOff']);
        await reporting.bind(device.getEndpoint(4), coordinatorEndpoint, ['genOnOff']);
    },
};

module.exports = definition;