Extended Attributes
Contents
1. GDSN Release 2 X Trade Item Implementation Guide Extended Attributes GDSN Release 2 X Trade Item Implementation Guide 15 15 1 15 2 Apr 2009 Section 15 Extended Attributes Extended Attributes The GS1 GSMP now offers a variety of attribute solutions for conducting global data synchronization within the GDSN This provides users with the flexibility they need to build out their implementations using Standard Attributes Global Data Dictionary Fast Track Attributes and Extended Attributes non standard attributes transported within the GDSN in a standard way The types of attributes used within GDSN impacts where they are housed in GS1 standards and what type of functionality they have a Important An Extended Attribute is not to be confused with an Extension An Extension e g the Hardlines Extension is a part of the GS1 standards where attributes relevant for a specific sector or function have been grouped together Extended Attributes are non standard attributes that are not found in the GS1 Global Data Dictionary GDD and are not part of the message standard but can be sent with the standard data over the GDS Network For fuller definitions see Section 15 6 Pre Requisites Trading partners wish to implement GDSN but not all data requirements are covered by existing GS1 GDSN standards Trading partners reach agreement on exchanging non standard information to supplement the standard information a2. Pool They may be able to suggest how your requirements can be met within existing standards or help you submit a Change Request to add your business requirements to the Standards If however you urgently need non standard data your GS1 Member Organisation or GDSN Data Pool can assist you in requesting for your requirements to be listed as Extended Attributes Once the requirements are published as Extended Attributes you can refer your supplier to the Extended Attribute definitions on the website of the GS1 Global Data Dictionary All contents copyright GS1 Page 6 of 7 1 GDSN Release 2 X Trade Item Implementation Guide Extended Attributes 15 6 6 Can you explain the terminology What types of attributes are supported GS1 GSMP offers 3 categories of attributes providing users with the flexibility to build out their GDSN implementation more quickly Table 15 1 explains these categories Note The ability to allow a user to migrate towards the standard and to use non standard attributes in Network was new to GSMP in 2006 Management of these capabilities will continue to evolve Table 15 1 Terms Currently Used to Describe GDSN Attribute Types Current Term Current Term Definition 1 Standards Attributes that have been approved through the GSMP due process and are entered into the Global Data Dictionary GDD 2 GDD Fast Track FT When the business requirement for a new attribute is approved through the GSMP du
3. Standard GDSN choreography is still used When Would Use This ab Important Extended Attributes should be avoided whenever possible Standard attributes should always be used if possible and participants are recommended to refer to their Data Pool and their local GS1 Member Organisation for help in identifying the correct standard attributes However there are two occasions when it is not possible to use standard attributes The data recipient has a new business requirement not yet covered by existing GS1 standards a During transition into GDSN the data recipient or the data source is not able to receive or send some data using the normal standard attributes perhaps because of temporary constraints in existing internal systems Until either 1 the business requirement is approved for inclusion in GS1 Standards or 2 the temporary system constraints are overcome it is possible to deploy Extended Attributes in the GDSN Network to communicate non standard data Note Because they are extended attributes you have a risk that your Trading partner might not be able to support these attributes since they are not standard All contents copyright GS1 Page 1 of 7 15 3 15 4 15 5 15 5 1 Apr 2009 GDSN Release 2 X Trade Item Implementation Guide Extended Attributes Guiding Principles for Extended Attributes The guiding principles underlying the data management process are Non Standard Extended Attribute
4. cesses are the following Attribute Harmonization Leads to CR Submission Process New GDSN Release Leads to Migration from Extended Attributes All contents copyright GS1 Page 3 of 7 15 5 3 Apr 2009 GDSN Release 2 X Trade Item Implementation Guide Extended Attributes It is recognized that there could be many triggers for harmonization with the GDD or removal from the Extended Attribute list for example A Sender or data pool recognizes they are sending the same attribute value to multiple Recipients using different GDSN Extended Attributes The user community determines that a formal GSMP Change Request contains attributes currently being communicated as Extended Attributes Attribute Harmonization Leads to CR Submission Process Typically this process is triggered by the Data Source It may also be initiated by a Certified Data Pool or GS1 MO The Data Source has been inputting Extended Attributes for several Recipients and has identified common attributes These common attributes would better serve the industry if they were normalized into one attribute term with one definition and one set of characteristics The major steps are as follows 1 The Sender contacts their DP MO 2 The DP MO analyses the attributes or group of attributes and agrees that normalization is the proper course 3 The Sender s DP MO contacts other DP MOs acting on behalf of the Recipients and Senders impacted by these attributes 4 Th
5. e DP MOs jointly discuss the attributes and evaluate the needs of the trading partners They decide to enter a GSMP Change Request for the business requirements which until were sent as Extended Attributes The GDSN BRG processes the CR according to GSMP due process Once the Standard Attributes are available the Extended Attributes are removed from the GS1 site by the DP MO using the web tool and observing whatever transition plan has been developed This may be accelerated by using GDD Fast Track attributes until the approved business requirement for the new attributes becomes a part of the GS1 Business Message Standard normally at the next available network Maintenance Release O Note This process can also be triggered if a GDSN Participant raises a request to harmonize Extended Attributes with standard attributes that already exist All contents copyright GS1 Page 4 of 7 15 5 4 15 6 15 6 1 Apr 2009 GDSN Release 2 X Trade Item Implementation Guide Extended Attributes Attribute Harmonization Leads to CR Submission Supplier Supplier DP or MO DP or MO Contacts analyses attributes or Contacts DPs or Data Pool or group of attributes MOs of Retailer s MO DPs or MOs jointly discuss attributes and evaluate needs of their customers Requirements Groups GSMP Change Request Process CR for an extension or change to core Extended Attributes Removed from Site by DP or MO New GDSN Release Leads
6. e process the requester of the new attribute may request a quick interim implementation solution known as a Fast Track FT solution The GSMP modellers review the approved business requirements and assess if they should be allowed in Network GDD FT use the Attribute Value Pairs A VP as the transport mechanism A VPs use one generic schema template that does not change with the introduction of new attributes thus expediting their immediate introduction into the network The disadvantage of this method is that attributes are not validated by the schema parser nor can relationships be established between the independent attributes In any case the approved business requirement for a new attribute will in due course become a part of the GS1 Business Message Standard normally at the next available network Maintenance Release When this permanent solution is implemented in Network any associated FT attributes will be removed from the A VP communication these will be sun set over time The FT is an interim solution of the GS1 GSMP attribute approval process and the A VP is the method of transport 3 Extended Attributes Extended Attributes are non standard attributes that are not found in the GDD or in the GDD Fast Track and are not part of the message standard They are however transported in a standard manner using A VP transport mechanism that is also used for GDD FT Attributes Historically different terminology has be
7. en used but these three terms are the only ones currently accepted 15 7 Extended Attributes References For more information on Extended Attributes and their role and management in GDSN please refer to a GSMP User Manual Sections on GDD FastTrack Attributes and Extended Attributes http www gs1 org gsmp process_ manual a Data Management of GDD Fast Track Attributes and Extended Attributes Process http www gs1 org services gsmp kc gdsn index html BMS and BRAD for Use of Attribute Value Pairs to Transmit Non Standard Attributes in GDSN http www qs1 org services gsmp kc gdsn index html Apr 2009 All contents copyright GS1 Page 7 of 7
8. encourages trading partners to use standard definitions whenever possible If the GS1 standards do not cover all the customer s requirements the customer may be able to use Extended Attributes to send the information As a first step the customer should approach his GS1 Member Organisation or GDSN Data Pool If the customer really cannot find support for their business requirements within the GS1 standards they may apply to have the non standard requirements listed as Extended Attributes Before they will be accepted as Extended Attributes the customer s local GS1 Member Organisation or the customer s data pool must review the business requirements They may be able to identify a way of using existing GS1 standards to meet the business requirements or advise the customer to submit a GSMP Change Request to add the business requirements to the GS1 GDSN standards Only of neither of these are possible will the request to list the requirements as Extended Attributes go forward to GS1 What if my supplier cannot meet all my data needs through the GS1 GDSN Standards It depends on the reason why your supplier cannot meet your data needs Are all your requirements met by data attributes defined in the GS1 Standards Normally the supplier can only send data for which GS1 GDSN Standards have been defined If you have requirements which are not supported by the GS1 Standards discuss your requirements with your GS1 Member Organisation or GDSN Data
9. ge The core is always sent extensions are sent as appropriate For example the Regulatory Extension is only sent when the Data Source needs to All contents copyright GS1 Page 5 of 7 15 6 2 15 6 3 15 6 4 15 6 5 Apr 2009 GDSN Release 2 X Trade Item Implementation Guide Extended Attributes communicate additional information about the regulations and regulatory approvals relevant to the Trade Item Are Extended Attributes part of the GS1 Standards No Extended Attributes are not part of the GS1 Standards To aid visibility of specific non standard requirements GS1 has established a mechanism to publish Extended Attributes on the website of the GS1 Global Data Dictionary But it does not include them within standards nor does it endorse them in any way Are Extended Attributes the same as AVP Attributes No these terms are not synonyms Extended Attributes refers to the definition of some non standard data requirements AVP refers to a transport mechanism within GS1 XML Business Messages It allows the data attribute Name and its Value to be sent together without needing the data attribute Name to be defined in advance and hard coded into the XML schema Some GS1 standard attributes and all extended Attributes use the AVP transport mechanism to send data via GDSN standard messages What if my customer demands some non standard data Can I send it to him through the GDS Network GS1 always
10. published GS1 Standards the DP MO contacts GS1 to request access to the Extended Attribute tool on behalf of the Recipient The DP MO uses the tool to load attributes and a Recipient profile Note The tool prompts the DP MO for the required information If any of the required fields are missing the spreadsheet will not be accepted by the tool Additionally duplicate attribute names are identified and eliminated A GS1 representative checks the attribute names to ensure naming rules have been followed and that all required information fields has been entered The Extended Attributes are immediately available for exchange in Network when all the required information has been captured in the Extended Attributes Web Tool Process for Creation of Extended Attributes Recipient PF MD contacts Data requests access to Login information Pool or MO tool given to DP or MO on behalf of Recipient GS1 representative checks attribute names to ensure naming rules have been followed DP or MO uses tool to load attributes and Recipient profile At the request of the Recipient edits are made to attributes using Extended Attributes the tool by the DP or MO Available 15 5 2 Processes for the Removal of Extended Attributes Apr 2009 Two processes have been established for the review and removal of Extended Attributes when they no longer serve their original purpose or when better alternatives are available These pro
11. s can be transported in Network Attribute characteristics are defined and published for all attribute types The current process for defining attribute characteristics of full standards will be followed for Fast Track attributes and non standard Extended Attributes Note Providing a full definition including data formats ensures that well formed definitions are available for Data Sources and will minimise any misunderstanding or ambiguity Once Extended Attributes have been fully defined they can be used immediately in Network This is contingent on Data Pool capability to communicate Extended Attributes via GS1 Attribute Value Pairs A VP Extended Attributes must only be transported in Network following the technical specifications of the GS1 A VP schema Schema validation and validation rules are not supported for Fast Track and Extended Attributes Features of Extended Attributes Extended Attributes are non standard attributes which have gone through the Data Management harmonization process and are approved for transport in the network See Data Management of Global Data Dictionary Fast Track Attributes and Extended Attributes Process Manual for the details of that process Extended Attributes are exclusively transported as Attribute Value Pairs There are no schema Code Lists for Extended Attributes however code list values may be recommended on the Extended Attribute specific site of the GDD http gdd gs1 org A Web Tool i
12. s provided for easier management of Extended Attributes by the user community The Web Tool is accessible at http gdd gsi1 org rse Data Management of Global Data Dictionary Fast Track Attributes and Extended Attributes Process Manual details who should use the tool and how to use the tool for creating Extended Attributes An Extended Attributes Web Tool Report is provided for the user community Extended Attributes may be used in the network immediately Extended Attributes used in the network are posted on the GS1 site There are no schema validations of Extended Attributes Extended Attributes use XML instance files generated by the user How to create or remove Extended Attributes Process for Creation of Extended Attributes The major steps are as follows 1 The Data Recipient communicates the request for additional non standard data to his Data Pool or local GS1 MO All contents copyright GS1 Page 2 of 7 GDSN Release 2 X Trade Item Implementation Guide Extended Attributes Together they research the GS1 Standards in case an existing attribute can be identified which will meet their needs Note Given the nature of Extended Attributes GS1 MOs will make every effort to harmonize Extended Attributes to uphold GS1 Standards Commercial GDSN certified Data Pools are under no obligation to do so but can offer this service as a value added service If the DP MO determination is that an attribute is not available in
13. to Redundant Extended Attributes This process is triggered by the introduction of a new GDSN Release The major steps are as follows 1 A new GDSN Release when a new version of the Trade Item Business Message Standard is deployed into the production GDS Network triggers a review of existing Extended Attributes 2 Any GDSN Participant or the GS1 GSMP GDSN BRG with the GDSN User Group identifies the redundant Extended Attributes for removal The attributes are redundant because they have since been replaced by standard attributes now deployed into the Network in the new GDSN Release 3 The Data Recipient who had originally requested the Extended Attributes announces the intention to migrate to using the standard attributes and works with their Recipient Data Pool the relevant Data Sources and their Source Data Pools to plan the transition and make the change 4 The Extended Attributes are removed from the GS1 site by the DP MO using the web tool Your Questions Answered Are Extended Attributes the attributes in an Extension No these are two different concepts Extended Attributes are non standard additions to the standard messages and facilitate implementation when a Data Recipient has some non standard requirements which have not yet been submitted to and approved through GSMP A GDSN Extension is a full part of the GS1 GDSN standards It is known as an extension to show that it is not a part of the core messa
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