How to make a party system with a party ID

Development Programming & Scripting Multiplayer & Networking
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How do you make a Party ID or Party code that other players can use to join your party. I already created an ID generator once the player clickes the create party button, but I can’t make it so other players can join the party using this party ID. Here is all my code.

partyinfocomponent:

// Fill out your copyright notice in the Description page of Project Settings.

include “PartyInfoComponent.h”

// Sets default values for this component’s properties
UPartyInfoComponent::UPartyInfoComponent()
{
// Set this component to be initialized when the game starts, and to be ticked every frame. You can turn these features
// off to improve performance if you don’t need them.
PrimaryComponentTick.bCanEverTick = true;

// ...

}

// Called when the game starts
void UPartyInfoComponent::BeginPlay()
{
Super::BeginPlay();
}

// Called every frame
void UPartyInfoComponent::TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction)
{
Super::TickComponent(DeltaTime, TickType, ThisTickFunction);

PollMenu();

if (Menu) {
	InitParty();
}

}

void UPartyInfoComponent::GetLifetimeReplicatedProps(TArray& OutLifetimeProps) const {
Super::GetLifetimeReplicatedProps(OutLifetimeProps);

DOREPLIFETIME(UPartyInfoComponent, PartyID);
DOREPLIFETIME(UPartyInfoComponent, AllPartyID);
DOREPLIFETIME(UPartyInfoComponent, bIsLeader);
DOREPLIFETIME(UPartyInfoComponent, AttemptedPartyID);

}

void UPartyInfoComponent::OnRep_PartyID() {
}

void UPartyInfoComponent::OnRep_AllPartyID() {
}

void UPartyInfoComponent::OnRep_bIsLeader() {
}

void UPartyInfoComponent::OnRep_AttemptedPartyID() {
}

void UPartyInfoComponent::PollMenu() {
if (Menu == nullptr) {
TArray<UUserWidget*> WidgetsFound;
UWidgetBlueprintLibrary::GetAllWidgetsOfClass(GetWorld(), WidgetsFound, MenuClass);

	if (WidgetsFound.Num() > 0) {
		Menu = Cast<UMenu>(WidgetsFound[0]);
	}
}

}

void UPartyInfoComponent::InitParty() {
if (Menu) {
PartyID = Menu->PartyID;
AllPartyID = Menu->AllPartyID;
AttemptedPartyID = Menu->AttemptedPartyID;
bPartyCreated = Menu->bPartyCreated;

	if (AllPartyID.Contains(AttemptedPartyID) && PartyID != 0) {
		GEngine->AddOnScreenDebugMessage(-1, 15.0F, FColor::Yellow, "Party is open");
	}
}
ServerInitParty();

}

void UPartyInfoComponent::ServerInitParty_Implementation() {
if (Menu) {
PartyID = Menu->PartyID;
AllPartyID = Menu->AllPartyID;
AttemptedPartyID = Menu->AttemptedPartyID;
bPartyCreated = Menu->bPartyCreated;

	if (AllPartyID.Contains(AttemptedPartyID) && PartyID != 0) {
		GEngine->AddOnScreenDebugMessage(-1, 15.0F, FColor::Yellow, "Party is open");
	}
}

}

menu widget cpp:

void UMenu::PartyIDTextboxButtonCommited(const FText& Text, ETextCommit::Type CommitMethod) {
FString PartyIDString = PartyIDTextbox->GetText().ToString();

AttemptedPartyID = UKismetStringLibrary::Conv_StringToInt(PartyIDString);

PartyIDTextbox->SetVisibility(ESlateVisibility::Collapsed);

GEngine->AddOnScreenDebugMessage(-1, 50.0F, FColor::Yellow, "Actual " + UKismetStringLibrary::Conv_IntToString(PartyID));
GEngine->AddOnScreenDebugMessage(-1, 50.0F, FColor::Yellow, "Attempted " + UKismetStringLibrary::Conv_IntToString(AttemptedPartyID));

}