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4 4  
5 5  **Revision History**
6 6  
7 -|**Revision**|**Date**|**Contents**
8 -| |April 2011|Initial release
9 -|1.0|July 2011|Rectification of problems of the specifications dated April 2011
10 -|2.0|July 2020|Addition of VTL (Validation and Transformation Language) package, maintainable artefacts, nameable artefacts to 5.2.3, 6.2.2, 6.2.3, 6.2.4, 7.1.1
7 +(% style="width:833.294px" %)
8 +|(% style="width:122px" %)**Revision**|(% style="width:126px" %)**Date**|(% style="width:581px" %)**Contents**
9 +|(% style="width:122px" %) |(% style="width:126px" %)April 2011|(% style="width:581px" %)Initial release
10 +|(% style="width:122px" %)1.0|(% style="width:126px" %)July 2011|(% style="width:581px" %)Rectification of problems of the specifications dated April 2011
11 +|(% style="width:122px" %)2.0|(% style="width:126px" %)July 2020|(% style="width:581px" %)Addition of VTL (Validation and Transformation Language) package, maintainable artefacts, nameable artefacts to 5.2.3, 6.2.2, 6.2.3, 6.2.4, 7.1.1
11 11  
12 12  **Corrigendum**
13 13  
... ... @@ -288,27 +288,25 @@
288 288  * that a queryable data source exists - this would necessitate the registration service querying the service to determine its existence
289 289  * that a simple data source exists (i.e. a file accessible at a URL)
290 290  * that the correct Data Structure Definition or Metadata Structure Definition is used by the registered data that the components (Dimensions, Attributes, Measures, Identifier Components etc.) are consistent with the Data Structure Definition or Metadata Structure Definition
291 -* that the valid representations of the concepts to which these components 382 correspond conform to the definition in the Data Structure Definition or Metadata Structure Definition
292 +* that the valid representations of the concepts to which these components correspond conform to the definition in the Data Structure Definition or Metadata Structure Definition
292 292  
293 293  3The Registration has an action attribute which takes one of the following values:
294 294  
295 -|(% style="width:249px" %)(((
296 +(% style="margin-left:auto; margin-right:auto" %)
297 +|(% style="width:200px" %)(((
296 296  **Action Attribute Value**
297 -)))|(% style="width:1622px" %)**Behaviour**
298 -|(% style="width:249px" %)Append|(% style="width:1622px" %)Add this registration to the registry
299 -|(% style="width:249px" %)Replace|(% style="width:1622px" %)Replace the existing Registration with this Registration identified by the id in the Registration of the Submit Registration Request
300 -|(% style="width:249px" %)Delete|(% style="width:1622px" %)Delete the existing Registration identified by the id in the Registration of the Submit Registration Request
301 -
299 +)))|(% style="width:1672px" %)**Behaviour**
300 +|(% style="width:200px" %)Append|(% style="width:1672px" %)Add this registration to the registry
301 +|(% style="width:200px" %)Replace|(% style="width:1672px" %)Replace the existing Registration with this Registration identified by the id in the Registration of the Submit Registration Request
302 +|(% style="width:200px" %)Delete|(% style="width:1672px" %)Delete the existing Registration identified by the id in the Registration of the Submit Registration Request
302 302  The Registration has three Boolean attributes which may be present to determine how an SDMX compliant Dataset or Metadata Set indexing application must index the Datasets or Metadata Set upon registration. The indexing application behaviour is as follows:
303 -
304 -|**Boolean Attribute**|**Behaviour if Value is “true”**
305 -|indexTimeSeries|A compliant indexing application must index all the time series keys (for a Dataset registration) or metadata target values (for a Metadata Set registration)
306 -|indexDataSet|(((
304 +|(% style="width:200px" %)**Boolean Attribute**|(% style="width:1672px" %)**Behaviour if Value is “true”**
305 +|(% style="width:200px" %)indexTimeSeries|(% style="width:1672px" %)A compliant indexing application must index all the time series keys (for a Dataset registration) or metadata target values (for a Metadata Set registration)
306 +|(% style="width:200px" %)indexDataSet|(% style="width:1672px" %)(((
307 307  A compliant indexing application must index the range of actual (present) values for each dimension of the Dataset (for a Dataset registration) or the range of actual (present) values for each Metadata Attribute which takes an enumerated value.
308 -
309 309  Note that for data this requires much less storage than full key indexing, but this method cannot guarantee that a specific combination of Dimension values (the Key) is actually present in the Dataset
310 310  )))
311 -|indexReportingPeriod|A compliant indexing application must index the time period range(s) for which data are present in the Dataset or Metadata Set
310 +|(% style="width:200px" %)indexReportingPeriod|(% style="width:1672px" %)A compliant indexing application must index the time period range(s) for which data are present in the Dataset or Metadata Set
312 312  
313 313  === 5.2.5 Data and Reference Metadata Discovery ===
314 314  
... ... @@ -340,8 +340,8 @@
340 340  
341 341  The following table defines the behaviour of the SDMX Registry for the various Registry Interface messages.
342 342  
343 -|(% style="width:244px" %)**Interface**|**Behaviour**
344 -|(% style="width:244px" %)All|(((
342 +|(% style="width:227px" %)**Interface**|(% style="width:1644px" %)**Behaviour**
343 +|(% style="width:227px" %)All|(% style="width:1644px" %)(((
345 345  1) If the action is set to “replace” then the entire contents of the existing maintainable object in the Registry MUST be replaced by the object submitted, unless the final attribute is set to “true” in which case the only changes that are allowed are to the following constructs:
346 346  
347 347  * Name – this applies to the Maintainable object and its contained elements, such a Code in a Code list.
... ... @@ -355,7 +355,6 @@
355 355  * isExternalReference
356 356  
357 357  2) Cross referenced structures MUST exist in either the submitted document (in Structures or Structure Location) or in the registry to which the request is submitted.
358 -
359 359  3) If the action is set to “delete” then the Registry MUST verify that the object can deleted. In order to qualify for deletion the object must:
360 360  
361 361  а) Not have the final attribute set to “true”
... ... @@ -362,12 +362,11 @@
362 362  b) Not be referenced from any other object in the Registry.
363 363  
364 364  4) The version rules in the SDMX Schema documentation MUST be obeyed.
365 -
366 366  5) The specific rules for the elements and attributes documented in the SDMX Schema MUST be obeyed.
367 367  )))
368 -|(% style="width:244px" %)SubmitStructureRequest|Structures are submitted at the level of the Maintainable Artefact and the behaviour in “All” above is therefore at the level of the Maintainable Artefact.
369 -|(% style="width:244px" %)SubmitProvisioningRequest|No additional behaviour.
370 -|(% style="width:244px" %)Submit Registration Request|(((
365 +|(% style="width:227px" %)SubmitStructureRequest|(% style="width:1644px" %)Structures are submitted at the level of the Maintainable Artefact and the behaviour in “All” above is therefore at the level of the Maintainable Artefact.
366 +|(% style="width:227px" %)SubmitProvisioningRequest|(% style="width:1644px" %)No additional behaviour.
367 +|(% style="width:227px" %)Submit Registration Request|(% style="width:1644px" %)(((
371 371  If the datasource is a file (simple datasource) then the file MAY be retrieved and indexed according to the Boolean attributes set in the Registration.
372 372  For a queryable datasource the Registry MAY validate that the source exists and can accept an SDMX-ML data query.
373 373  )))
... ... @@ -490,7 +490,7 @@
490 490  
491 491  The generic structure of the URN is as follows:
492 492  
493 -SDMXprefix.SDMX-IM-package-name.class-name=agencyid:maintainedobject-id(maintainedobject-version).*containerobject-id.object-id
490 +>SDMXprefix.SDMX-IM-package-name.class-name=agencyid:maintainedobject-id(maintainedobject-version).*containerobject-id.object-id
494 494  
495 495  ~* this can repeat and may not be present (see explanation below)
496 496  
... ... @@ -502,7 +502,7 @@
502 502  
503 503  In the explanation below the actual object that is the target of the URN is called the **//actual object//**.
504 504  
505 -**SDMXPrefix:** urn:sdmx:org.                                     
502 +**SDMXPrefix:** urn:sdmx:org.
506 506  
507 507  **SDMX-IM package name:** sdmx.infomodel.package=
508 508  
... ... @@ -1105,10 +1105,10 @@
1105 1105  
1106 1106  An organisation which publishes statistical data or reference metadata and wishes to make it available to an SDMX enabled community is called a Data Provider. In terms of the SDMX Information Model, the Data Provider is maintained in a Data Provider Scheme.
1107 1107  
1105 +[[image:1747829109466-595.png]]
1108 1108  
1109 1109  **Figure 11: SDMX-IM of the Data Provider**
1110 1110  
1111 -
1112 1112  Note that the Data Provider does not inherit the hierarchy association. The diagram below shows a logical schematic of the data model classes required to maintain provision agreements
1113 1113  
1114 1114  [[image:1747824123019-181.jpeg]]
... ... @@ -1117,8 +1117,10 @@
1117 1117  
1118 1118  The diagram below is a logical representation of the data required in order to maintain Provision Agreements.
1119 1119  
1117 +[[image:1747829139951-378.png]]
1120 1120  
1121 -==== Figure 13: Logical class diagram of the information contained in the Provision Agreement ====
1119 +(% class="wikigeneratedid" id="HFigure13:LogicalclassdiagramoftheinformationcontainedintheProvisionAgreement" %)
1120 +**Figure 13: Logical class diagram of the information contained in the Provision Agreement**
1122 1122  
1123 1123  A Provision Agreement is structural metadata. Each Provision Agreement must reference a Data Provider and a Dataflow or Metadataflow Definition. The Data Provider and the Dataflow/Metadataflow Definition must exist already in order to set up a Provision Agreement.
1124 1124  
... ... @@ -1146,13 +1146,12 @@
1146 1146  
1147 1147  === 7.3.3 Data and Metadata Constraints: Model ===
1148 1148  
1148 +[[image:1747829204737-370.png]]
1149 1149  
1150 +**Figure 15: Logical class diagram showing inheritance between and reference to constrainable artifacts**
1150 1150  
1151 -==== Figure 15: Logical class diagram showing inheritance between and reference to constrainable artifacts ====
1152 +The class diagram above shows that DataProvider, DataflowDefinition, MetadataflowDefinition, ProvisionAgreement, DataStructureDefinition, MetadataStructureDefinition, SimpleDatasource and QueryDatasource are all concrete sub-classes of ConstrainableArtefact and can therefore have Constraints specified. Note that the actual Constraint as submitted is associated to the reference classes which inherit from ConstrainableRef: these are used to refer to the classes to which the Constraint applies.
1152 1152  
1153 -The class diagram above shows that DataProvider, DataflowDefinition, MetadataflowDefinition, ProvisionAgreement, DataStructureDefinition, MetadataStructureDefinition, SimpleDatasource and QueryDatasource are all concrete sub-classes of ConstrainableArtefact and can therefore have Constraints specified. Note that the actual Constraint as submitted is associated to the reference classes which inherit from ConstrainableRef: these are used to refer to the classes to which the Constraint applies.
1154 -
1155 -
1156 1156  The content of the Constraint can be found in the SDMX Information Model document.
1157 1157  
1158 1158  == 7.4 Data and Metadata Registration ==
... ... @@ -1173,7 +1173,7 @@
1173 1173  
1174 1174  [[image:1747824123025-411.jpeg]]
1175 1175  
1176 - **Figure 16: Schematic of the Objects Concerned with Registration**
1174 +**Figure 16: Schematic of the Objects Concerned with Registration**
1177 1177  
1178 1178  ==== 7.4.2.2 Registration Request Model ====
1179 1179  
... ... @@ -1187,11 +1187,14 @@
1187 1187  
1188 1188  The Registration has an action attribute which takes one of the following values:
1189 1189  
1190 -|**Action Attribute Value**|**Behaviour**
1191 -|Append|Add this Registration to the registry
1192 -|Replace|Replace the existing Registration with identified by the id in the Registration of the Submit Registration Request
1193 -|Delete|Delete the existing Registration identified by the id in the Registration of the Submit Registration Request
1188 +(% style="width:970.294px" %)
1189 +|(% style="width:212px" %)**Action Attribute Value**|(% style="width:756px" %)**Behaviour**
1190 +|(% style="width:212px" %)Append|(% style="width:756px" %)Add this Registration to the registry
1191 +|(% style="width:212px" %)Replace|(% style="width:756px" %)Replace the existing Registration with identified by the id in the Registration of the Submit Registration Request
1192 +|(% style="width:212px" %)Delete|(% style="width:756px" %)Delete the existing Registration identified by the id in the Registration of the Submit Registration Request
1194 1194  
1194 +[[image:1747829290890-122.png]]
1195 +
1195 1195  **Figure 17: Logical Class Diagram of Registration of Data and Metadata**
1196 1196  
1197 1197  The Query Datasource is an abstract class that represents a data source which can understand an SDMX-ML query (SOAPDatasource) or RESTful query
... ... @@ -1206,25 +1206,19 @@
1206 1206  
1207 1207  Information in the data or metadata set is extracted and placed in one or more Content Constraints (see the Constraints model in the SDMX Information Model – Section 2 of the SDMX Standards). The information to be extracted is indicated by the Boolean values set on the Provision Agreement as shown in the table below.
1208 1208  
1209 -|**Indexing Required**|**Registration Process Activity**
1210 -|indexTimeSeries|Extract all the series keys and create a KeySet(s) Constraint.
1211 -|indexDataSet|(((
1212 -Extract all the codes and other content of the Key value of the Series Key in a Data Set and create one or more Cube
1213 -
1214 -Regions containing Member Selections of Dimension Components of the Constraints model in the SDMX-IM, and the associated Selection Value.
1210 +|(% style="width:185px" %)**Indexing Required**|(% style="width:1686px" %)**Registration Process Activity**
1211 +|(% style="width:185px" %)indexTimeSeries|(% style="width:1686px" %)Extract all the series keys and create a KeySet(s) Constraint.
1212 +|(% style="width:185px" %)indexDataSet|(% style="width:1686px" %)(((
1213 +Extract all the codes and other content of the Key value of the Series Key in a Data Set and create one or more Cube Regions containing Member Selections of Dimension Components of the Constraints model in the SDMX-IM, and the associated Selection Value.
1215 1215  )))
1216 -|indexReportingPeriod|(((
1215 +|(% style="width:185px" %)indexReportingPeriod|(% style="width:1686px" %)(((
1217 1217  This applies only to a registered dataset.
1218 -
1219 1219  Extract the Reporting Begin and Reporting End from the Header of the Message containing the data set, and create a Reference Period constraint.
1220 1220  )))
1221 -|indexAttributes|(((
1219 +|(% style="width:185px" %)indexAttributes|(% style="width:1686px" %)(((
1222 1222  **Data Set**
1223 -
1224 1224  Extract the content of the Attribute Values in a Data Set and create one or more Cube Regions containing Member Selections of Data Attribute Components of the Constraints model in the SDMXIM, and the associated Selection Value
1225 -
1226 1226  **Metadata Set**
1227 -
1228 1228  Indicate the presence of a Reported Attribute by creating one or more Cube Regions containing Member Selections of Metadata Attribute Components of the Constraints model in the SDMX-IM. Note that the content is not stored in the Selection Value.
1229 1229  )))
1230 1230  
... ... @@ -1234,14 +1234,13 @@
1234 1234  
1235 1235  === 7.4.3 Registration Response ===
1236 1236  
1237 -After a registration request has been submitted to the registry, a response is returned to the submitter indicating success or failure. Given that a registration request can hold many Registrations, then there must be a registration status for each Registration. The Submit Registration class has a status field which is either set to
1232 +After a registration request has been submitted to the registry, a response is returned to the submitter indicating success or failure. Given that a registration request can hold many Registrations, then there must be a registration status for each Registration. The Submit Registration class has a status field which is either set to “Success”, “Warning” or “Failure”.
1238 1238  
1239 -“Success”, “Warning” or “Failure”.
1240 -
1241 1241  If the registration has succeeded, a Registration will be returned - this holds the Registry-allocated Id of the newly registered Datasource plus a Datasource holding the URL to access the dataset, metadataset, or query service.
1242 1242  
1243 1243  The Registration Response returns set of registration status (one for each registration submitted) in terms of a Status Message (this is common to all Registry Responses) that indicates success or failure. In the event of registration failure, a set of Message Text are returned, giving the error messages that occurred during registration. It is entirely possible when registering a batch of datasets, that the response will contain some successful and some failed statuses. The logical model for the Registration Response is shown below:
1244 1244  
1238 +[[image:1747829477882-750.png]]
1245 1245  
1246 1246  **Figure 18: Logical class diagram showing the registration response**
1247 1247  
... ... @@ -1251,15 +1251,12 @@
1251 1251  
1252 1252  A user can submit a subscription in the registry that defines which events are of interest, and either an email and/or an HTTP address to which a notification of qualifying events will be delivered. The subscription will be identified in the registry by a URN which is returned to the user when the subscription is created. If the user wants to delete the subscription at a later point, the subscription URN is used as identification. Subscriptions have a validity period expressed as a date range (startDate, endDate) and the registry may delete any expired subscriptions, and will notify the subscriber on expiry.
1253 1253  
1254 -When a registry/repository artefact is modified, any subscriptions which are observing the object are activated, and either an email or HTTP POST is instigated to report details of the changes to the user specified in the subscription. This is called a
1248 +When a registry/repository artefact is modified, any subscriptions which are observing the object are activated, and either an email or HTTP POST is instigated to report details of the changes to the user specified in the subscription. This is called a “notification”.
1255 1255  
1256 -“notification”.
1250 +=== 7.5.1Subscription Logical Class Diagram ===
1257 1257  
1258 - 7.5.1Subscription Logical Class Diagram
1252 +[[image:1747829554603-150.png]]
1259 1259  
1260 -
1261 -[[image:1747824123028-257.png]]
1262 -
1263 1263  **Figure 19: Logical Class Diagram of the Subscription**
1264 1264  
1265 1265  === 7.5.2 Subscription Information ===
... ... @@ -1266,73 +1266,58 @@
1266 1266  
1267 1267  Regardless of the type of registry/repository events being observed, a subscription always contains:
1268 1268  
1269 -~1. A set of URIs describing the end-points to which notifications must be sent if the subscription is activated. The URIs can be either mailto~: or http: protocol. In the former case an email notification is sent; in the latter an HTTP POST notification is sent.
1260 +1. A set of URIs describing the end-points to which notifications must be sent if the subscription is activated. The URIs can be either mailto~: or http: protocol. In the former case an email notification is sent; in the latter an HTTP POST notification is sent.
1261 +1. A user-defined identifier which is returned in the response to the subscription request. This helps with asynchronous processing and is NOT stored in the Registry.
1262 +1. A validity period which defines both when the subscription becomes active and expires. The subscriber may be sent a notification on expiration of the subscription.
1263 +1. A selector which specifies which type of events are of interest. The set of event types is:
1270 1270  
1271 -2. A user-defined identifier which is returned in the response to the subscription request. This helps with asynchronous processing and is NOT stored in the Registry.
1265 +|(% style="width:327px" %)**Event Type**|(% style="width:1545px" %)**Comment**
1266 +|(% style="width:327px" %)STRUCTURAL_REPOSITORY_EVENTS|(% style="width:1545px" %)Life-cycle changes to Maintainable Artefacts in the structural metadata repository.
1267 +|(% style="width:327px" %)DATA_REGISTRATION_EVENTS|(% style="width:1545px" %)Whenever a published dataset is registered. This can be either a SDMXML data file or an SDMX conformant database.
1268 +|(% style="width:327px" %)METADATA_REGISTRATION_EVENTS|(% style="width:1545px" %)Whenever a published metadataset is registered. This can be either a SDMXML reference metadata file or an SDMX conformant database.
1269 +|(% style="width:327px" %)ALL_EVENTS|(% style="width:1545px" %)All events of the specified EventType
1272 1272  
1273 -3. A validity period which defines both when the subscription becomes active and expires. The subscriber may be sent a notification on expiration of the subscription.
1274 -
1275 -4. A selector which specifies which type of events are of interest. The set of event types is:
1276 -
1277 -|**Event Type**|**Comment**
1278 -|STRUCTURAL_REPOSITORY_EVENTS|Life-cycle changes to Maintainable Artefacts in the structural metadata repository.
1279 -|DATA_REGISTRATION_EVENTS|Whenever a published dataset is registered. This can be either a SDMXML data file or an SDMX conformant database.
1280 -|METADATA_REGISTRATION_EVENTS|Whenever a published metadataset is registered. This can be either a SDMXML reference metadata file or an SDMX conformant database.
1281 -|ALL_EVENTS|All events of the specified EventType
1282 -
1283 1283  === 7.5.3 Wildcard Facility ===
1284 1284  
1285 1285  Subscription notification supports wildcarded identifier components URNs, which are identiiers which have some or all of their component parts replaced by the wildcard character `%`. Identifier components comprise:
1286 1286  
1287 - agencyID
1275 +* agencyID
1276 +* id
1277 +* version
1288 1288  
1289 - id
1290 -
1291 - version
1292 -
1293 1293  Examples of wildcarded identifier components for an identified object type of Codelist are shown below.
1294 1294  
1295 -AgencyID = %
1296 -
1281 +//AgencyID = %
1297 1297  Id = %
1283 +Version = %//
1298 1298  
1299 -Version = %
1300 -
1301 1301  This subscribes to all Codelists of all versions for all agencies.
1302 1302  
1303 -AgencyID = AGENCY1
1304 -
1287 +//AgencyID = AGENCY1
1305 1305  Id = CODELIST1
1289 +Version = %//
1306 1306  
1307 -Version = %
1308 -
1309 1309  This subscribes to all versions of Codelist CODELIST1 maintained by the agency
1310 1310  
1311 -AGENCY1
1312 -
1293 +//AGENCY1
1313 1313  AgencyID = AGENCY1
1314 -
1315 1315  Id = %
1296 +Version = %//
1316 1316  
1317 -Version = %
1318 -
1319 1319  This subscribes to all versions of all Codelist objects maintained by the agency
1320 1320  
1321 -AGENCY1
1322 -
1300 +//AGENCY1
1323 1323  AgencyID = %
1324 -
1325 1325  Id = CODELIST1
1303 +Version = %//
1326 1326  
1327 -Version = %
1328 -
1329 1329  This subscribes to all versions of Codelist CODELIST1 maintained by the agency
1330 1330  
1331 -AGENCY1
1307 +//AGENCY1//
1332 1332  
1333 1333  Note that if the subscription is to the latest version then this can be achieved by the * character
1334 1334  
1335 -i.e. Version = *
1311 +//i.e. Version = *//
1336 1336  
1337 1337  Note that a subscription using the URN mechanism cannot use wildcard characters.
1338 1338  
... ... @@ -1344,16 +1344,15 @@
1344 1344  
1345 1345  Whenever a dataset or metadata-set is registered a registration event is created. A subscription may be observing all data or metadata registrations, or it may focus on specific registrations as shown in the table below:
1346 1346  
1323 +|(% style="width:405px" %)**Selector**|(% style="width:1467px" %)**Comment**
1324 +|(% style="width:405px" %)DataProvider|(% style="width:1467px" %)Any datasets or metadata sets registered by the specified data provider will activate the notification.
1325 +|(% style="width:405px" %)ProvisionAgreement|(% style="width:1467px" %)Any datasets or metadata sets registered for the provision agreement will activate the notification.
1326 +|(% style="width:405px" %)Dataflow (&Metadataflow)|(% style="width:1467px" %)Any datasets or metadata sets registered for the specified dataflow (or metadataflow) will activate the notification.
1327 +|(% style="width:405px" %)DataStructureDefinition & MetadataStructureDefinition|(% style="width:1467px" %)Any datasets or metadata sets registered for those dataflows (or metadataflows) that are based on the specified Data Structure Definition will
1328 +|(% style="width:405px" %)**Selector**|(% style="width:1467px" %)**Comment**
1329 +|(% style="width:405px" %) |(% style="width:1467px" %)activate the notification.
1330 +|(% style="width:405px" %)Category|(% style="width:1467px" %)Any datasets or metadata sets registered for those dataflows, metadataflows, provision agreements that are categorised by the category.
1347 1347  
1348 -|**Selector**|**Comment**
1349 -|DataProvider|Any datasets or metadata sets registered by the specified data provider will activate the notification.
1350 -|ProvisionAgreement|Any datasets or metadata sets registered for the provision agreement will activate the notification.
1351 -|Dataflow (&Metadataflow)|Any datasets or metadata sets registered for the specified dataflow (or metadataflow) will activate the notification.
1352 -|DataStructureDefinition & MetadataStructureDefinition|Any datasets or metadata sets registered for those dataflows (or metadataflows) that are based on the specified Data Structure Definition will
1353 -|**Selector**|**Comment**
1354 -| |activate the notification.
1355 -|Category|Any datasets or metadata sets registered for those dataflows, metadataflows, provision agreements that are categorised by the category.
1356 -
1357 1357  The event will also capture the semantic of the registration: deletion or replacement of an existing registration or a new registration.
1358 1358  
1359 1359  == 7.6 Notification ==
... ... @@ -1360,8 +1360,10 @@
1360 1360  
1361 1361  === 7.6.1 Logical Class Diagram ===
1362 1362  
1338 +[[image:1747829675568-610.png]]
1363 1363  
1364 -==== Figure 20: Logical Class Diagram of the Notification ====
1340 +(% class="wikigeneratedid" id="HFigure20:LogicalClassDiagramoftheNotification" %)
1341 +**Figure 20: Logical Class Diagram of the Notification**
1365 1365  
1366 1366  A notification is an XML document that is sent to a user via email or http POST whenever a subscription is activated. It is an asynchronous one-way message.
1367 1367  
... ... @@ -1381,5 +1381,3 @@
1381 1381  === 7.6.3 Registration Event Component ===
1382 1382  
1383 1383  The notification will contain the Registration.
1384 -
1385 -
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