Chapter 15. Creating the mortgage-process data objects Data objects are the building blocks for the rule assets that you create. Data objects are custom data types implemented as Java classes in specified packages of your project. These custom data types determine what data your assets and your decision services are based on. The mortgage process project uses the following data objects: Applicant Property ValidationErrorDO Application 15.1. Creating the Applicant data object Create the Applicant data object, which contains information about the applicant. This is the basic information required to apply for the loan in this tutorial. Procedure In Business Central, click the MySpace default space. Click Menu Design Projects and click mortgage-process . Click Add Asset and select Data Object . Enter Applicant in the Data Object field of the Create new Data Object window. Select com.myspace.mortgage_app from the Package drop-down menu and click Ok . Enter Applicant in the Label field of the 'Applicant'- general properties section. Click +add field and input the following Applicant data object values. Click Create and continue after each addition. For the last addition, click Create . Figure 15.1. Applicant data object field values Click Save . 15.2. Creating the Property data object Create the Property data object, which contains information about the property details, such as the property age and price. Procedure In Business Central, click the MySpace default space. Click Menu Design Projects and click mortgage-process . Click Add Asset and select Data Object . Enter Property in the Data Object field of the Create new Data Object window. Select com.myspace.mortgage_app from the Package drop-down menu and click Ok . Enter Property in the Label field of the 'Property'- general properties section. Click +add field and input the following Property data object values. Click Create and continue after each addition. For the last addition, click Create . Figure 15.2. Property data object field values Click Save . 15.3. Creating the ValidationErrorDO data object Create the ValidationErrorDO data object, which specifies the cause of an application error. Procedure In Business Central, click the MySpace default space. Click Menu Design Projects and click mortgage-process . Click Add Asset and select Data Object . Enter ValidationErrorDO in the Data Object field of the Create new Data Object window. Select com.myspace.mortgage_app from the Package drop-down menu and click Ok . Enter ValidationErrorDO in the Label field of the 'ValidationErrorDO'- general properties section. Click +add field and input the following ValidationErrorDO data object values. Click Create and continue after each addition. For the last addition, click Create . Figure 15.3. ValidationErrorDO data object field values Click Save . 15.4. Creating the Application data object Create the Application data object, which contains information about the mortgage details, such as the down payment and the mortgage amount. Procedure In Business Central, click the MySpace default space. Click Menu Design Projects and click mortgage-process . Click Add Asset and select Data Object . Enter Application in the Data Object field of the Create new Data Object window. Select com.myspace.mortgage_app from the Package drop-down menu and click Ok . Enter Application in the Label field of the 'Application'- general properties section. Click +add field and input the following Application data object values. Click Create and continue after each addition. For the last addition, click Create . Figure 15.4. Application data object field values Click Save .

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