Create an application using a different Organization
When developing a service or application in the Developer Console that uses a confidential client, a service user will be created along with your application. Once created, you must grant the service user any necessary permissions to read and write to the Ontology.
By default, the service user will be added as a guest of the organization that is selected in the Developer Console, as shown in the image below.
However, if that organization is different from your default organization, you will not be able to see that user or grant permissions to it until you complete the following two steps: