None 1.0 For communication event participants this represents the contactMechId of the ContactMech used. Defines which ContactMechPurposeType entites apply to which ContactMechType Holds hashes for email address verification For Party Groups only Official name of relationship, such as title in a company The exact word used within the company Links two PartyRelationships together to be used to get a member of a group that is a member of a group, so links the to party of the first to the from party of the second. To query the group ID would go on onePartyIdFrom and the member ID would go in twoPartyIdTo. NOTE: this entity is deprecated by PartyTaxAuthInfo