Sequencing 

This element can be optionally used to specify when a package is sent  This can be done using an ordial or a time offset (in micro-seconds).

Element Information

Model

SequenceNumber | (Offset_uS , Occurrences{0,1})
Children: Occurrences, Offset_uS, SequenceNumber

Used By

Complex Types ARINC-429-BlockType, ARINC-429-WordType, CAISType, CAN-Bus-MessageType, CCDLType, CommonPackageType, FCS-MessageType, FirewireType, GenericPackageType, IENA-Ethernet-UDP-BasicType, IRIG-106-Ch4Type, IRIG-TimeType, MIL-STD-1553-MessageType, Memory-StorageType, Network-TransportType, PackageType, Panavia-MessageType, RS-232-BasicType, STANAG-3910-MessageType, SnarferType, iNET-XType
Element Packages/PackageSet/Package

Source 

<xs:element name="Sequencing">
  <xs:annotation>
    <xs:documentation xml:lang="en">This element can be optionally used to specify w