<xsd:complexType name="MessageHeader" abstract="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">A type defining the content model for a generic message header that is refined by its derived classes.</xsd:documentation>
</xsd:annotation>
<xsd:sequence>
<xsd:element name="conversationId" type="ConversationId" minOccurs="0">
<xsd:annotation>
<xsd:documentation xml:lang="en">The unique identifier (name) for the conversation (session), this message is within. A conversation identifier is usually assigned by the initiator of a conversation. Conversations may only be initiated and terminated. Joining conversations has the effect of initiating new conversations. Conversations cannot be split; this instead has the effect of parallel activities on the same conversation or the initiation of a new conversation. Each message belongs to only one conversation. Conversation scopes are defined in the business process definition.</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="messageId" type="MessageId">
<xsd:annotation>
<xsd:documentation xml:lang="en">A unique identifier (within its coding scheme) assigned to the message by its creating party.</xsd:documentation>
</xsd:annotation>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
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XSD Schema Diagram:
