App Context API for PubNub Unreal SDK

App Context provides easy-to-use, serverless storage for user and channel data you need to build innovative, reliable, scalable applications. Use App Context to easily store metadata about your application users and channels, and their membership associations, without the need to stand up your own databases.

PubNub also triggers events when object data is set or removed from the database. Clients can receive these events in real time and update their front-end application accordingly.

Usage in Blueprints and C++

User

Get Metadata for All Users

Returns a paginated list of UUID Metadata objects, optionally including the custom data object for each.

Method(s)

Blueprint

C++

PubnubSubsystem->GetAllUUIDMetadata(
    FString Include, 
    int Limit, 
    FString Start, 
    FString End, 
    EPubnubTribool Count, 
    FOnPubnubResponse OnGetAllUUIDMetadataResponse
);

Parameter	Type	Required	Description
Include	FString	Optional	A comma delimited string with additional/complex user attributes to include in response. Use "" if you don't want to retrieve additional attributes.
Limit	int	Optional	Number of objects to return in response. Available values: 1 - 100. If you set 0, the default value of 100 is used.
Start	FString	Optional	Previously-returned cursor bookmark for fetching the next page. Use "" if you don’t want to paginate with a start bookmark.
End	FString	Optional	Previously-returned cursor bookmark for fetching the previous page. Ignored if you also supply the start parameter. Use "" if you don’t want to paginate with an end bookmark.
Count	EPubnubTribool enum	Yes	Total request count to be included in paginated response. By default, the total count is omitted. Available values: pbccFalse pbccTrue pbccNotSet
OnGetAllUUIDMetadataResponse	FOnPubnubResponse	Yes	The callback function used to handle the result.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString ChannelName = "randomChannel";

// Create a pubnub response delegate
// you MUST implement your own callback function to handle the response
FOnPubnubResponse OnGetAllUUIDMetadataResponse;
OnGetAllUUIDMetadataResponse.BindDynamic(this, &AMyActor::OnGetAllUUIDMetadataResponse);

FString Include = ""; // No additional attributes
int Limit = 10; // Limit to 10 objects

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Returns

{
    "Uuids": [
        {
            "Uuid": "uuid-1",
            "Name": "John Doe",
            "Email": "john.doe@pubnub.com",
            "ExternalId": "",
            "ProfileUrl": "",
            "Custom": "",
            "Updated": "2020-06-17T16:28:14.060718Z"
        },
        {
            "Uuid": "uuid-2",
            "Name": "Bob Cat",
            "Email": "bobc@example.com",

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Get User Metadata

Returns metadata for the specified UUID, optionally including the custom data object for each.

Method(s)

Blueprint

C++

PubnubSubsystem->GetUUIDMetadata(
    FString Include, 
    FString UUIDMetadataID, 
    FOnPubnubResponse OnGetUUIDMetadataResponse
);

Parameter	Type	Required	Description
Include	FString	Optional	A comma delimited string with additional/complex user attributes to include in response. Use "" if you don't want to retrieve additional attributes.
UUIDMetadataID	FString	Optional	The metadata ID for which to retrieve the user object. Cannot be "".
OnGetUUIDMetadataResponse	FOnPubnubResponse	Yes	The callback function used to handle the result.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

// Create a pubnub response delegate
// you MUST implement your own callback function to handle the response
FOnPubnubResponse OnGetUUIDMetadataResponse;
OnGetUUIDMetadataResponse.BindDynamic(this, &AMyActor::OnGetUUIDMetadataResponse);

FString Include = ""; // No additional attributes
FString UUIDMetadataId = "uuid-1"; 

PubnubSubsystem->GetUUIDMetadata(Include, Limit, Start, End, Count, OnGetUUIDMetadataResponse);

Returns

{
    "Uuid": "uuid-1",
    "Name": "John Doe",
    "Email": "john.doe@pubnub.com",
    "ExternalId": "",
    "ProfileUrl": "",
    "Custom": "",
    "Updated": "2020-06-17T16:28:14.060718Z"
}

Set User Metadata

Set metadata for a UUID in the database, optionally including the custom data object for each.

Method(s)

Blueprint

C++

PubnubSubsystem->SetUUIDMetadata(
    FString UUIDMetadataID, 
    FString Include, 
    FString UUIDMetadataObj
);

Parameter	Type	Required	Description
UUIDMetadataID	FString	Optional	The metadata ID for which to retrieve the user object. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex user attributes to include in response. Use "" if you don't want to retrieve additional attributes.
UUIDMetadataObj	FString	Optional	The JSON string with the definition of the UUID Metadata object to create.

API limits

To learn about the maximum length of parameters used to set user metadata, refer to REST API docs.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString UUIDMetadataID = TEXT("user123"); // Example UUID Metadata ID
FString Include = ""; // No additional attributes
FString UUIDMetadataObj = TEXT("{\"name\":\"John Doe\",\"email\":\"johndoe@example.com\"}"); // Example JSON object

// Call the SetUUIDMetadata method
PubnubSubsystem->SetUUIDMetadata(UUIDMetadataID, Include, UUIDMetadataObj);

Returns

{
    "Uuid": "uuid-1",
    "Name": "John Doe",
    "Email": "john.doe@pubnub.com",
    "ExternalId": "",
    "ProfileUrl": "",
    "Custom": "",
    "Updated": "2020-06-17T16:28:14.060718Z"
}

Remove User Metadata

Removes the metadata from a specified UUID.

Method(s)

Blueprint

C++

PubnubSubsystem->RemoveUUIDMetadata(FString UUIDMetadataID);

Parameter	Type	Required	Description
UUIDMetadataID	FString	Optional	The metadata ID to delete from the user object. Cannot be "".

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString UUIDMetadataID = TEXT("user123"); // Example UUID Metadata ID

// Call the RemoveUUIDMetadata method
PubnubSubsystem->RemoveUUIDMetadata(UUIDMetadataID);

Returns

This method doesn't have any return value.

Channel

Get Metadata for All Channels

Returns a paginated list of Channel Metadata objects, optionally including the custom data object for each.

Method(s)

Blueprint

C++

PubnubSubsystem->GetAllChannelMetadata(
    FString Include, 
    int Limit, 
    FString Start, 
    FString End, 
    EPubnubTribool Count, 
    FOnPubnubResponse OnGetAllChannelMetadataResponse
);

Parameter	Type	Required	Description
Include	FString	Optional	A comma delimited string with additional/complex user attributes to include in response. Use "" if you don't want to retrieve additional attributes.
Limit	int	Optional	Number of objects to return in response. Available values: 1 - 100. If you set 0, the default value of 100 is used.
Start	FString	Optional	Previously-returned cursor bookmark for fetching the next page. Use "" if you don’t want to paginate with a start bookmark.
End	FString	Optional	Previously-returned cursor bookmark for fetching the previous page. Ignored if you also supply the start parameter. Use "" if you don’t want to paginate with an end bookmark.
Count	EPubnubTribool enum	Yes	Total request count to be included in paginated response. By default, the total count is omitted. Available values: pbccFalse pbccTrue pbccNotSet
OnGetAllChannelMetadataResponse	FOnPubnubResponse	Yes	The callback function used to handle the result.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString ChannelName = "randomChannel";

// Create a pubnub response delegate
// you MUST implement your own callback function to handle the response
FOnPubnubResponse OnGetAllUUIDMetadataResponse;
OnGetAllUUIDMetadataResponse.BindDynamic(this, &AMyActor::OnGetAllUUIDMetadataResponse);

FString Include = ""; // No additional attributes
int Limit = 10; // Limit to 10 objects

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Returns

{
    "Channels": [
        {
            "Channel": "my-channel",
            "Name": "My channel",
            "Description": "A channel that is mine",
            "Custom": "",
            "Updated": "2020-06-17T16:52:19.562469Z"
        },
        {
            "Channel": "main",
            "Name": "Main channel",
            "Description": "The main channel",
            "Custom": {
                "public": true,

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Get Channel Metadata

Returns metadata for the specified Channel, optionally including the custom data object for each.

Method(s)

Blueprint

C++

PubnubSubsystem->GetChannelMetadata(
    FString Include, 
    FString ChannelMetadataID, 
    FOnPubnubResponse OnGetChannelMetadataResponse
);

Parameter	Type	Required	Description
Include	FString	Optional	A comma delimited string with additional/complex user attributes to include in response. Use "" if you don't want to retrieve additional attributes.
ChannelMetadataID	FString	Optional	The metadata ID for which to retrieve the channel object. Cannot be "".
OnGetChannelMetadataResponse	FOnPubnubResponse	Yes	The callback function used to handle the result.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

// Create a pubnub response delegate
// you MUST implement your own callback function to handle the response
FOnPubnubResponse OnGetChannelMetadataResponse;
OnGetChannelMetadataResponse.BindDynamic(this, &AMyActor::OnGetChannelMetadataResponse);

FString Include = ""; // No additional attributes
FString ChannelMetadataID = "my-channel"; 

PubnubSubsystem->GetChannelMetadata(Include, ChannelMetadataID, OnGetChannelMetadataResponse);

Returns

{
    "Channel": "my-channel",
    "Name": "My channel",
    "Description": "A channel that is mine",
    "Custom": "",
    "Updated": "2020-06-17T16:52:19.562469Z"
}

Set Channel Metadata

Set metadata for a channel in the database, optionally including the custom data object for each.

Method(s)

Blueprint

C++

PubnubSubsystem->SetChannelMetadata(
    FString ChannelMetadataID, 
    FString Include, 
    FString ChannelMetadataObj
);

Parameter	Type	Required	Description
ChannelMetadataID	FString	Optional	The metadata ID for which to retrieve the channel object. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex channel attributes to include in response. Use "" if you don't want to retrieve additional attributes.
ChannelMetadataObj	FString	Optional	The JSON string with the definition of the UUID Metadata object to create.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString ChannelMetadataID = TEXT("myChannel"); // Example Channel Metadata ID
FString Include = ""; // No additional attributes
FString ChannelMetadataObj = TEXT("{\"name\":\"PubNub channel\",\"description\":\"The channel for announcements\"}"); // Example JSON object

// Call the SetChannelMetadata method
PubnubSubsystem->SetChannelMetadata(ChannelMetadataID, Include, ChannelMetadataObj);

API limits

To learn about the maximum length of parameters used to set channel metadata, refer to REST API docs.

Returns

{
    "Channel": "my-channel",
    "Name": "PubNub channel",
    "Description": "The channel for announcements",
    "Updated": "2020-06-17T16:52:19.562469Z"
}

Remove Channel Metadata

Removes the metadata from a specified channel.

Method(s)

Blueprint

C++

PubnubSubsystem->RemoveChannelMetadata(FString ChannelMetadataID);

Parameter	Type	Required	Description
ChannelMetadataID	FString	Optional	The metadata ID to delete from the channel object. Cannot be "".

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString ChannelMetadataID = TEXT("myChannel"); // Example Channel Metadata ID

// Call the RemoveChannelMetadata method
PubnubSubsystem->RemoveChannelMetadata(ChannelMetadataID);

Returns

This method doesn't have any return value.

Channel Memberships

Get Channel Memberships

The method returns a list of channel memberships for a user. This method doesn't return a user's subscriptions.

Method(s)

Blueprint

C++

PubnubSubsystem->GetMemberships(
    FString UUIDMetadataID, 
    FString Include, 
    int Limit, 
    FString Start, 
    FString End, 
    EPubnubTribool Count, 
    FOnPubnubResponse OnGetMembershipResponse
);

Parameter	Type	Required	Description
UUIDMetadataID	FString	Optional	The user ID for which to retrieve the memberships. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex membership attributes to include in response. Use "" if you don't want to retrieve additional attributes.
Limit	int	Optional	Number of objects to return in response. Available values: 1 - 100. If you set 0, the default value of 100 is used.
Start	FString	Optional	Previously-returned cursor bookmark for fetching the next page. Use "" if you don’t want to paginate with a start bookmark.
End	FString	Optional	Previously-returned cursor bookmark for fetching the previous page. Ignored if you also supply the start parameter. Use "" if you don’t want to paginate with an end bookmark.
Count	EPubnubTribool enum	Yes	Total request count to be included in paginated response. By default, the total count is omitted. Available values: pbccFalse pbccTrue pbccNotSet
OnGetMembershipResponse	FOnPubnubResponse	Yes	The callback function used to handle the result.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString ChannelName = "randomChannel";

// Create a pubnub response delegate
// you MUST implement your own callback function to handle the response
FOnPubnubResponse OnGetMembershipResponse;
OnGetMembershipResponse.BindDynamic(this, &AMyActor::OnGetMembershipResponse);

UUIDMetadataID UserId = "user-1"
FString Include = ""; // No additional attributes

show all 21 lines

Returns

{
    "Memberships": [
        {
            "ChannelMetadata": {
                "Channel": "my-channel",
                "Name": "My channel",
                "Description": "A channel that is mine",
                "Custom": "",
                "Updated": "2020-06-17T16:55:44.632042Z"
            },
            "Custom": {
                "starred": false
            },
            "Updated": "2020-06-17T17:05:25.987964Z"
        },

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Set Channel Memberships

Set channel memberships for a UUID.

Method(s)

Blueprint

C++

PubnubSubsystem->SetMemberships(
    FString UUIDMetadataID, 
    FString Include, 
    FString SetObj
);

Parameter	Type	Required	Description
UUIDMetadataID	FString	Optional	The user ID to add/update the memberships. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex channel attributes to include in response. Use "" if you don't want to retrieve additional attributes.
SetObj	FString	Optional	The JSON object that defines the add/update to perform. Cannot be "".

API limits

To learn about the maximum length of parameters used to set user metadata, refer to REST API docs.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString UUIDMetadataID = TEXT("user123"); // Example User ID
FString Include = ""; // No additional attributes
FString SetObj = TEXT("{\"channels\": [{\"channel123\": {\"name\":\"Channel One\"}}]}"); // Example JSON object

// Call the SetMemberships method
PubnubSubsystem->SetMemberships(UUIDMetadataID, Include, SetObj);

API limits

To learn about the maximum length of parameters used to set channel membership metadata, refer to REST API docs.

Returns

{
    "Memberships": [
        {
            "ChannelMetadata": {
                "Channel": "my-channel",
                "Name": "My channel",
                "Description": "A channel that is mine",
                "Custom": "",
                "Updated": "2020-06-17T16:55:44.632042Z"
            },
            "Custom": {
                "starred": false
            },
            "Updated": "2020-06-17T17:05:25.987964Z"
        },

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Remove Channel Memberships

Remove channel memberships for a user.

Method(s)

Blueprint

C++

PubnubSubsystem->RemoveMemberships(
    FString UUIDMetadataID, 
    FString Include, 
    FString RemoveObj
);

Parameter	Type	Required	Description
UUIDMetadataID	FString	Optional	The user ID to remove the memberships. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex channel attributes to include in response. Use "" if you don't want to retrieve additional attributes.
RemoveObj	FString	Optional	The JSON object with the memberships to remove. Cannot be "".

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString UUIDMetadataID = TEXT("user123"); // Example User ID
FString Include = ""; // No additional attributes
FString RemoveObj = TEXT("{\"channels\": [{\"channel123\": {\"name\":\"Channel One\"}}]}"); // Example JSON object

// Call the RemoveMemberships method
PubnubSubsystem->RemoveMemberships(UUIDMetadataID, Include, RemoveObj);

Returns

{
    "Memberships": [
        {
            "ChannelMetadata": {
                "Channel": "my-channel",
                "Name": "My channel",
                "Description": "A channel that is mine",
                "Custom": "",
                "Updated": "2020-06-17T16:55:44.632042Z"
            },
            "Custom": {
                "starred": false
            },
            "Updated": "2020-06-17T17:05:25.987964Z"
        },

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Channel Members

Get Channel Members

The method returns a list of members in a channel. The list will include user metadata for members that have additional metadata stored in the database.

Method(s)

Blueprint

C++

PubnubSubsystem->GetChannelMembers(
    FString ChannelMetadataID, 
    FString Include, 
    int Limit, 
    FString Start, 
    FString End, 
    EPubnubTribool Count, 
    FOnPubnubResponse OnGetMembersResponse
);

Parameter	Type	Required	Description
ChannelMetadataID	FString	Optional	The metadata ID for which to retrieve the channel object. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex user attributes to include in response. Use "" if you don't want to retrieve additional attributes.
Limit	int	Optional	Number of objects to return in response. Available values: 1 - 100. If you set 0, the default value of 100 is used.
Start	FString	Optional	Previously-returned cursor bookmark for fetching the next page. Use "" if you don’t want to paginate with a start bookmark.
End	FString	Optional	Previously-returned cursor bookmark for fetching the previous page. Ignored if you also supply the start parameter. Use "" if you don’t want to paginate with an end bookmark.
Count	EPubnubTribool enum	Yes	Total request count to be included in paginated response. By default, the total count is omitted. Available values: pbccFalse pbccTrue pbccNotSet
OnGetMembersResponse	FOnPubnubResponse	Yes	The callback function used to handle the result.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

// Create a pubnub response delegate
// you MUST implement your own callback function to handle the response
FOnPubnubResponse OnGetMembersResponse;
OnGetMembersResponse.BindDynamic(this, &AMyActor::OnGetMembersResponse);

FString ChannelMetadataID = "my-channel";
FString Include = ""; // No additional attributes
int Limit = 10; // Limit to 10 objects
FString Start = ""; // No pagination start bookmark

show all 19 lines

Returns

{
    "ChannelMembers": [
        {
            "UuidMetadata": {
                "Uuid": "uuid-1",
                "Name": "John Doe",
                "Email": "john.doe@pubnub.com",
                "ExternalId": "",
                "ProfileUrl": "",
                "Custom": "",
                "Updated": "2019-02-20T23:11:20.89375"
            },
            "Custom": {
                "role": "admin"
            },

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Set Channel Members

This method sets members in a channel.

Method(s)

Blueprint

C++

PubnubSubsystem->SetChannelMembers(
    FString ChannelMetadataID, 
    FString Include, 
    FString SetObj
);

Parameter	Type	Required	Description
ChannelMetadataID	FString	Optional	The channel ID to add/update the members. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex channel attributes to include in response. Use "" if you don't want to retrieve additional attributes.
SetObj	FString	Optional	The JSON object that defines the add/update to perform. Cannot be "".

API limits

To learn about the maximum length of parameters used to set user metadata, refer to REST API docs.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString ChannelMetadataID = "myChannel";
FString Include = ""; // No additional attributes
FString SetObj = TEXT([{"id": "some-user-id", "custom": {"starred": true}}, {"id": "user-0-id", "some_key": {"other_key": "other_value"}}]); // Example JSON object

// Call the SetChannelMembers method
PubnubSubsystem->SetChannelMembers(ChannelMetadataID, Include, SetObj);

API limits

To learn about the maximum length of parameters used to set channel members metadata, refer to REST API docs.

Returns

{
    "ChannelMembers": [
        {
            "UuidMetadata": {
                "Uuid": "uuid-1",
                "Name": "John Doe",
                "Email": "john.doe@pubnub.com",
                "ExternalId": "",
                "ProfileUrl": "",
                "Custom": "",
                "Updated": "2019-02-20T23:11:20.89375"
            },
            "Custom": {
                "role": "admin"
            },

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Remove Channel Members

Remove members from a channel.

Method(s)

Blueprint

C++

PubnubSubsystem->RemoveChannelMembers(
    FString ChannelMetadataID, 
    FString Include, 
    FString RemoveObj
);

Parameter	Type	Required	Description
ChannelMetadataID	FString	Optional	The channel ID to remove the members. Cannot be "".
Include	FString	Optional	A comma delimited string with additional/complex channel attributes to include in response. Use "" if you don't want to retrieve additional attributes.
RemoveObj	FString	Optional	The JSON object that defines what to remove. Cannot be "".

API limits

To learn about the maximum length of parameters used to set user metadata, refer to REST API docs.

Basic Usage

#include "Kismet/GameplayStatics.h"
#include "PubnubSubsystem.h"

UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(this);
UPubnubSubsystem* PubnubSubsystem = GameInstance->GetSubsystem<UPubnubSubsystem>();

FString ChannelMetadataID = "myChannel";
FString Include = ""; // No additional attributes
FString RemoveObj = TEXT([{"id": "some-user-id", "custom": {"starred": true}}, {"id": "user-0-id", "some_key": {"other_key": "other_value"}}]); // Example JSON object

// Call the RemoveChannelMembers method
PubnubSubsystem->RemoveChannelMembers(ChannelMetadataID, Include, RemoveObj);

Returns

{
    "ChannelMembers": [
        {
            "UuidMetadata": {
                "Uuid": "uuid-1",
                "Name": "John Doe",
                "Email": "john.doe@pubnub.com",
                "ExternalId": "",
                "ProfileUrl": "",
                "Custom": "",
                "Updated": "2019-02-20T23:11:20.89375"
            },
            "Custom": {
                "role": "admin"
            },

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