# Table of contents:

Introduction
Client/Request
- FindMembership
  - serviceFilter
    - Types
      - ServiceType
  - View
  - deltasOnly
  - lastChange
Server/Response
- FindMembershipResponse
  - FindMembershipResult
    - Services
      - Service
    - OwnerNamespace
      - Info
        
        Handle
Memberships
- Membership
  - Members
    - Member
Examples
- Client/Request
- Server/Response

# Introduction

FindMembership is one of the SOAP actions the Contact Sharing Service provides.

Returns the full list of members in the Allow List (AL), Block List (BL), Reverse List (RL) and Pending List (PL). For retrieving information about the Forward List (FL), read the ABFindAll article.

# Client/Request

The template used in this action is described on the Address Book Service main page.

# FindMembership

This element has only one attribute:

xmlns: Is always set to http://www.msn.com/webservices/AddressBook.

# serviceFilter

This element only contains the <Types> element.

# Types

This element contains one or multiple <ServiceType> elements.

# ServiceType

Can be any of the following:

Messenger
Invitation
SocialNetwork
Space
Profile

# View

Always set to Full.

# deltasOnly

If set to true, the <lastChange> value is compared against the server to only provide the updates since the timestamp provided.

# lastChange

This is a ISO 8601 timestamp which denotes the last time you retrieved the memberships, comes from the response's <LastChange> element inside the <OwnerNamespace> element.

# Server/Response

The template used in this action is described on the Address Book Service main page.

# FindMembershipResponse

This element only contains the <FindMembershipResult> element.

# FindMembershipResult

This element only contains both the <Services> and the <OwnerNamespace> element.

# Services

This element only contains one or multiple <Service> elements.

# Service

This element only contains one or multiple <Memberships> elements.

# OwnerNamespace

This element contains four children:

<Info>: Described below.
<Changes>: A space delimited list of elements changed in an unknown location.
<CreateDate>: The ISO 8601 timestamp of the time this member was created.
<LastChange>: The ISO 8601 timestamp of the time a change was last made to the memberships.

# Info

This element contains four children:

<Handle>: Described below.
<CreatorPuid>: This is always set to 0.
<CreatorCID>: The Common ID of this member.
<CreatorPassportName>: The user handle of this member.

# Handle

This element contains three children:

<Id>: The Address Book Service GUID.
<IsPassportNameHidden>: This is always set to false.
<CID>: This is always set to 0.

# Memberships

This element only contains one or multiple <Membership> elements.

# Membership

This element has three children:

<MemberRole>: The type of list:
- Allow: The Allow List (AL).
- Block: The Block List (BL).
- Reverse: The Reverse List (RL).
<Members>: Explained below.
<MembershipIsComplete>: If this is the full list of <Members> in this <Membership>, set to true, otherwise, set to false.

# Members

This element only contains one or multiple <Member> elements.

# Member

This element has only one attribute:

xsi:type: The type of this <Member>:
- PassportMember
- EmailMember
- PhoneMember

This element contains seven children:

<Type>: The type of this <Member>:
- Passport
- Email
- Phone
<State>: This is usually only set to Accepted.
<Deleted>: Has this member been deleted? (true or false).
<LastChanged>: The ISO 8601 timestamp of the time this member was last modified.
<JoinedDate>: The ISO 8601 timestamp of the time when this member joined the service.
<ExpirationDate>: The ISO 8601 timestamp of the time when this member expires. Set to 0001-01-01T00:00:00 to disable this behaviour.
<Changes>: A space delimited list of elements changed in an unknown place.

This element also contains one of the following mutually exclusive children:

<PassportName>: The user handle associated with this membership.
<Email>: The e-mail address associated with this membership.
<PhoneNumber>: The phone number associated with this membership.

This element also contains the following five children IF the <Type> is set to Passport:

<IsPassportNameHidden>: Are the contents of <PassportName> hidden to the user (true or false)?
<PassportId>: This is always set to 0.
<CID>: The Common ID of this member, which is a signed 64-bit integer.
<PassportChanges>: A space delimited list of elements changed in an unknown place.
<LookedupByCID>: Did we search for this contact using their <CID> (true or false)?

This element may optionally contain the child:

<DisplayName>: The current display name of the member. (Only seen in Reverse and Pending Member roles)

# Examples

# Client/Request

POST /abservice/abservice.asmx HTTP/1.1
SOAPAction: http://www.msn.com/webservices/AddressBook/FindMembership
Cache-Control: no-cache
Content-Type: text/xml; charset=utf-8
Content-Length: 1190

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope
        xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:xsd="http://www.w3.org/2001/XMLSchema"
        xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"
>
        <soap:Header>
                <ABApplicationHeader
                        xmlns="http://www.msn.com/webservices/AddressBook"
                >
                        <ApplicationID>996CDE1E-AA53-4477-B943-2BE802EA6166</ApplicationID>
                        <IsMigration>false</IsMigration>
                        <PartnerScenario>ContactSave</PartnerScenario>
                </ABApplicationHeader>
                <ABAuthHeader
                        xmlns="http://www.msn.com/webservices/AddressBook"
                >
                        <ManagedGroupRequest>false</ManagedGroupRequest>
                        <TicketToken>t=ticket&amp;p=profile</TicketToken>
                </ABAuthHeader>
        </soap:Header>
        <soap:Body>
                <FindMembership
                    xmlns="http://www.msn.com/webservices/AddressBook"
                >
                    <serviceFilter>
                        <Types>
                            <ServiceType>Messenger</ServiceType>
                        </Types>
                    </serviceFilter>
                    <View>Full</View>
                    <deltasOnly>false</deltasOnly>
                    <lastChange>0001-01-01T00:00:00.0000000-08:00</lastChange>
                </FindMembership>
        </soap:Body>
</soap:Envelope>

# Server/Response

HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: 4304

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope
        xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:xsd="http://www.w3.org/2001/XMLSchema"
>
        <soap:Header>
                <ServiceHeader
                        xmlns="http://www.msn.com/webservices/AddressBook"
                >
                        <Version>12.01.1111.0000</Version>
                        <CacheKey>12r1;MjAyNC0xMS0yMFQxMToyMDoyNy43MTVa</CacheKey>
                        <CacheKeyChanged>true</CacheKeyChanged>
                        <PreferredHostName>contacts.example.com</PreferredHostName>
                        <SessionId>ecfaf8c7-e388-4571-8641-b061a0ac4bdc</SessionId>
                </ServiceHeader>
        </soap:Header>
        <soap:Body>
            <FindMembershipResponse
                xmlns="http://www.msn.com/webservices/AddressBook"
            >
                <FindMembershipResult>
                    <Services>
                        <Service>
                            <Memberships>
                                <Membership>
                                    <MemberRole>Allow</MemberRole>
                                    <Members>
                                        <Member
                                            xsi:type="PassportMember"
                                        >
                                            <MembershipId>1</MembershipId>
                                            <Type>Passport</Type>
                                            <State>Accepted</State>
                                            <Deleted>false</Deleted>
                                            <LastChanged>2024-11-20T12:58:02.4680000-08:00</LastChanged>
                                            <JoinedDate>2024-10-10T20:38:51.0000000-08:00</JoinedDate>
                                            <ExpirationDate>0001-01-01T00:00:00</ExpirationDate>
                                            <Changes />
                                            <PassportName>anotheruser@hotmail.com</PassportName>
                                            <IsPassportNameHidden>false</IsPassportNameHidden>
                                            <PassportId>0</PassportId>
                                            <CID>4388220788362762</CID>
                                            <PassportChanges />
                                            <LookedupByCID>false</LookedupByCID>
                                        </Member>
                                        <Member
                                            xsi:type="PhoneMember"
                                        >
                                            <MembershipId>3</MembershipId>
                                            <Type>Phone</Type>
                                            <State>Accepted</State>
                                            <Deleted>false</Deleted>
                                            <LastChanged>2024-11-20T12:58:02.4680000-08:00</LastChanged>
                                            <JoinedDate>2024-10-22T21:40:16.0000000-08:00</JoinedDate>
                                            <ExpirationDate>0001-01-01T00:00:00</ExpirationDate>
                                            <Changes />
                                            <PhoneNumber>15551111222</PhoneNumber>
                                        </Member>
                                    </Members>
                                    <MembershipIsComplete>true</MembershipIsComplete>
                                </Membership>
                                <Membership>
                                    <MemberRole>Reverse</MemberRole>
                                    <Members>
                                        <Member
                                            xsi:type="PassportMember"
                                        >
                                            <MembershipId>2</MembershipId>
                                            <Type>Passport</Type>
                                            <DisplayName>another user</DisplayName>
                                            <State>Accepted</State>
                                            <Deleted>false</Deleted>
                                            <LastChanged>2024-11-20T12:58:02.4680000-08:00</LastChanged>
                                            <JoinedDate>2024-10-10T20:38:51.0000000-08:00</JoinedDate>
                                            <ExpirationDate>0001-01-01T00:00:00</ExpirationDate>
                                            <Changes />
                                            <PassportName>anotheruser@hotmail.com</PassportName>
                                            <IsPassportNameHidden>false</IsPassportNameHidden>
                                            <PassportId>0</PassportId>
                                            <CID>4388220788362762</CID>
                                            <PassportChanges />
                                            <LookedupByCID>false</LookedupByCID>
                                        </Member>
                                    </Members>
                                    <MembershipIsComplete>true</MembershipIsComplete>
                                </Membership>
                            </Memberships>
                            <Info>
                                <Handle>
                                    <Id>1</Id>
                                    <Type>Messenger</Type>
                                    <ForeignId />
                                </Handle>
                                <InverseRequired>false</InverseRequired>
                                <AuthorizationCriteria>Everyone</AuthorizationCriteria>
                                <IsBot>false</IsBot>
                            </Info>
                            <Changes />
                            <LastChange>2024-11-20T12:58:02.4680000-08:00</LastChange>
                            <Deleted>false</Deleted>
                        </Service>
                    </Services>
                    <OwnerNamespace>
                        <Info>
                            <Handle>
                                <Id>00000000-0000-0000-0000-000000000000</Id>
                                <IsPassportNameHidden>false</IsPassportNameHidden>
                                <CID>0</CID>
                            </Handle>
                            <CreatorPuid>0</CreatorPuid>
                            <CreatorCID>4294967298</CreatorCID>
                            <CreatorPassportName>example@hotmail.com</CreatorPassportName>
                        </Info>
                        <Changes />
                        <CreateDate>2024-10-10T20:38:51.0000000-08:00</CreateDate>
                        <LastChange>2024-11-20T12:58:02.4680000-08:00</LastChange>
                    </OwnerNamespace>
                </FindMembershipResult>
            </FindMembershipResponse>
        </soap:Body>
</soap:Envelope>