How to update a element in a realtimeArray for all clients?

void Add(TValue value) {
    // Appends a RealtimeModel to the end of the array.
    // value: The model to add. This value cannot be null.
}

IEnumerator<TValue> GetEnumerator() {
    // Retrieve a model given a specific index.
    // index: The index of the model to retrieve
}

void _ReadArrayUpdate(ReadStream stream, StreamContext context, uint propertyID) {
    // Internal. Do not use.
    // This will be removed in the next major version.
}

uint GetCollectionTypeID() {
    // Get the type ID of the collection.
}

void Add(TValue value) {
    // Appends a RealtimeModel to the end of the array.
    // value: The model to add. This value cannot be null.
}

IEnumerator<TValue> GetEnumerator() {
    // Retrieve a model given a specific index.
    // index: The index of the model to retrieve
}

void _ReadArrayUpdate(ReadStream stream, StreamContext context, uint propertyID) {
    // Internal. Do not use.
    // This will be removed in the next major version.
}

uint GetCollectionTypeID() {
    // Get the type ID of the collection.
}

if (currentModel != null) {
            // a model with no current data
            if (currentModel.isFreshModel) {

                // create players array
                if (_players.Count <= 0) {
                    for (int i = 0; i < MAX_PLAYERS; i++) {
                        currentModel.players.Add(new PlayerModel());
                        currentModel.players[i].readyDidChange += ReadyDidChange;
                    }
                }                
            }

if (currentModel != null) {
            // a model with no current data
            if (currentModel.isFreshModel) {

                // create players array
                if (_players.Count <= 0) {
                    for (int i = 0; i < MAX_PLAYERS; i++) {
                        currentModel.players.Add(new PlayerModel());
                        currentModel.players[i].readyDidChange += ReadyDidChange;
                    }
                }                
            }

 private void ReadyDidChange(PlayerModel model, int value){
        int index = 0;
        int i;
        for(i=0; i< 4; i++){
            if(_players[i].Equals(model)){
                Debug.Log($"Player {i+1} changed ready status to {value}");
                index = i;
            }
        }
        UpdateArrayReady(value, index);
    }

    private void UpdateArrayReady(int value, int index) {
        // _players[0].ready = value;
        _players[index].ready = value;
        Debug.Log($"New array readies: [{_players[0].ready}, {_players[1].ready}, {_players[2].ready}, {_players[3].ready}]");
    }

 private void ReadyDidChange(PlayerModel model, int value){
        int index = 0;
        int i;
        for(i=0; i< 4; i++){
            if(_players[i].Equals(model)){
                Debug.Log($"Player {i+1} changed ready status to {value}");
                index = i;
            }
        }
        UpdateArrayReady(value, index);
    }

    private void UpdateArrayReady(int value, int index) {
        // _players[0].ready = value;
        _players[index].ready = value;
        Debug.Log($"New array readies: [{_players[0].ready}, {_players[1].ready}, {_players[2].ready}, {_players[3].ready}]");
    }

if (currentModel != null) {
    // a model with no current data
    if (currentModel.isFreshModel) {
        // create players array
        if (_players.Count <= 0) {
            for (int i = 0; i < MAX_PLAYERS; i++) {
                currentModel.players.Add(new PlayerModel());
                currentModel.players[i].readyDidChange += ReadyDidChange;
            }
        }                
    }
}

private void ReadyDidChange(PlayerModel model, int value){
    int index = _players.IndexOf(model);
    if (index != -1) {
        Debug.Log($"Player {index+1} changed ready status to {value}");
        UpdateArrayReady(value, index);
    }
}

private void UpdateArrayReady(int value, int index) {
    _players[index].ready = value;
    Debug.Log($"New array readies: [{string.Join(", ", _players.Select(p => p.ready))}]");
}

if (currentModel != null) {
    // a model with no current data
    if (currentModel.isFreshModel) {
        // create players array
        if (_players.Count <= 0) {
            for (int i = 0; i < MAX_PLAYERS; i++) {
                currentModel.players.Add(new PlayerModel());
                currentModel.players[i].readyDidChange += ReadyDidChange;
            }
        }                
    }
}

private void ReadyDidChange(PlayerModel model, int value){
    int index = _players.IndexOf(model);
    if (index != -1) {
        Debug.Log($"Player {index+1} changed ready status to {value}");
        UpdateArrayReady(value, index);
    }
}

private void UpdateArrayReady(int value, int index) {
    _players[index].ready = value;
    Debug.Log($"New array readies: [{string.Join(", ", _players.Select(p => p.ready))}]");
}