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Go to the Configure tab on the management console and click Data Sources to open the Data Sources screen.
Then click Add Data Source. The following screen will open:
Enter "Custom" as the datasource type.
In the Custom Data Source Type field, enter "DS_CUSTOM_TABULAR" (to store data in tables) or "DS_CUSTOM_QUERY" (to store non-tabular data accessed through a query).
In the Name and Description fields, enter a unique name for the datasource.

In the Configuration section, specify the xml configuration of the datasource. See the examples given below.

XML configuration for a custom tabular datasource (DS_CUSTOM_TABULAR type):

Code Block

<configuration>
	<customDataSourceClass>org.wso2.carbon.dataservices.core.custom.datasource.InMemoryDataSource</customDataSourceClass>
	 <customDataSourceProps>
      <property name="inmemory_datasource_schema">{Vehicles:[ID,Model,Classification,Year]}</property>
      <property name="inmemory_datasource_records">
           {Vehicles:[["S10_1678","Harley Davidson Ultimate Chopper","Motorcycles","1969"],
                      ["S10_1949","Alpine Renault 1300","Classic Cars","1952"],
                      ["S10_2016","Moto Guzzi 1100i","Motorcycles","1996"],
                      ["S10_4698","Harley-Davidson Eagle Drag Bike","Motorcycles","2003"],
                      ["S10_4757","Alfa Romeo GTA","Classic Cars","1972"],
                      ["S10_4962","LanciaA Delta 16V","Classic Cars","1962"],
                      ["S12_1099","Ford Mustang","Classic Cars","1968"],
                      ["S12_1108","Ferrari Enzo","Classic Cars","2001"]]}
       </property>
    </customDataSourceProps>
</configuration>

XML configuration for a custom query datasource (DS_CUSTOM_QUERY):

Code Block

<configuration>
	<customDataSourceClass>org.wso2.carbon.dataservices.core.custom.datasource.EchoDataSource</customDataSourceClass>
    	<customDataSourceProps>
            <property name="p1">val1</property>
            <property name="p2">val2</property>
        </customDataSourceProps>
</configuration>

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