The OData Modeler enables partners and customers to create self-defined OData services to access and modify PSM released entities. For e.g. to build mobile Add-On applications like SAP Manager Approvals or SAP Project Cockpit
In the OData Modeler We can Read And Access the data From the BYD system And this data can be used for any Add-on Projects.
From the OData Modeler Service We can get the data in the XML format and From XML we can convert the Data through Json format.
From this we can Skip the Web-service functionality.And in the OData Modeler there are some restriction to Access the data and i have attached the document for the creation of OData Modeler, in SAP BYD
Step 1: Go to Application and User Management work centre and open OData Services
Step 2: Create a new OData Service
Step 3: In new OData Editor enable NO AUTHENTICATION CHECK
Step 4: in Entity Types select the Business Object
Step 5: Select the required fields
Step 6: The required field is displayed on the editor
Step 7: In Function Imports tab select the Query and correspondin BO and in Parameters tab select the particular BO fields and save
Step 8: After activating the Service URL will be displayed on top of the screen. Click on it.
Step 9: The XML file for the particular BO will be displayed
Step 10: The XML file conveted to JSON format : Add the Funtion at end of URL $format=json