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This feature allows you to further filter (narrow down) the results of a particular search, by selecting a specific value or a set of values for a given attribute in WSO2 G-Reg Store. You can provide the filtering criteria for multiple attributes.

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You can configure this in the RXT of the asset type. For an example, you can enable categorization by adding new fields to a new Categorization table of SOAP Services as explained below. 

1.   Log in to the WSO2 G-Reg Management Console using the following URL and admin/admin credentials: https://<G-REG_HOST>:<G-REG_PORT>/carbon/
2. Click Extensions, and then click Artifact Types in the Configure menu.
3. Click the corresponding  View/Edit  link of the artifact type, in which you want to enable categorization a shown below.
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4. Add the following configuration to add option fields to a new Categorization table of the SOAP service RXT using the provided Editor as shown below.  

   Code Block
   language xml
   <table name="Categorization"> <field type="options" categorization="true"> <name label="Business">Business</name> <values> <value>Customer Care</value> <value>Corporate</value> <value>Gas Technology</value> <value>Energy Supply</value> <value>Information Technology</value> </values> </field> <field type="options" categorization="true"> <name label="Availability">Availability</name> <values> <value>Tier 1</value> <value>Tier 2</value> <value>Tier 3</value> <value>Tier 4</value> </values> </field> <field type="options" categorization="true"> <name label="Environment">Environment</name> <values> <value>Dev</value> <value>Test</value> <value>QA</value> <value>Disaster Recovery</value> <value>Production</value> </values> </field> <field type="options" categorization="true"> <name label="Platform">Platform</name> <values> <value>J­EE</value> <value>ETL</value> <value>File Transfer</value> <value>EDI</value> <value>ESB</value> </values> </field> <field type="options" categorization="true"> <name label="Service Type">Service Type</name> <values> <value>HTTP­SOAP</value> <value>HTTP­REST</value> <value>JMS­XML</value> <value>JMS­JSON</value> <value>JMS­BINARY</value> </values> </field> </table>

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   You can enable categorization by adding  an option field to any of the existing tables in the RXT of a particular type (e.g. Overview).

5. Click  Save, and then click Ok in the message which pops-up as shown below.

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6. Restart the WSO2 G-Reg server.

Once you configure the RXT to enable categorization, you can select the categorization values for a particular asset in the WSO2 G-Reg Publisher when creating a SOAP Service using the G-Reg Publisher or updating a SOAP Service as shown below.

You can use categorization to search for a SOAP Service in the G-Reg Store by its category as shown below.

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Other configuration options

You can use the following configuration options, when creating categories for asset types in WSO2 G-Reg.

To get the values to display under each categorization option from Apache Solr 

Change the value of the solarFacetsEnabled element under the asset.configure function to true, in the < G-REG_HOME>/repository/deployment/server/jaggeryapps/store/extensions/assets/default/ asset.js file as follows, to retrieve the values from Solr facets.

categorization: {
solarFacetsEnabled: true,
}

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Change the value of the collapseInMenuCount element under the asset.configure function to true, in the <G-REG_HOME>/repository/deployment/server/jaggeryapps/store/extensions/assets/default/ asset.js file as follows, to configure the number of categorization fields, to be expanded by default in the Store.

categorization: {
collapseInMenuCount: 3
}