xAPPnow LOW CODE PLATFORM - User Manual 

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Backend Service Model - xAPPnow Low Code Platform

 
 
The Backend Service Model type of the xAPPnow Low Code platform includes the subtypes:
 
  • Dynamic Backend Service
  • Submodel
  • REST Endpoint
 
 
The graphic below displays typical use cases and the corresponding backend service root models as well as possible child models.
 
A backend service model subtype "Submodel" or "Dynamic Backend Service" can be used to detail the server-side business logic of a Script Task of a BPMN model type. A "Dynamic Backend Service" can also be published into User Portal to be called from a frontend service model. It may consist also of scripts and connectors elements. The "REST End Point" provides access for external systems to the application created with the xAPPnow Low Code Platfrom.
 
 
 
Backend Service Model - xAPPnow Low Code Platform
 
 
The model specific TABs are described in detail in the following topics:
 
 
Please look at the Palette of Backend Service Model for a detailed element description.
 
 
 
Backend Service Model - xAPPnow Low Code Platform
 
 
1

Start Event

1. Start Event
A Start Event is mandatory in every Server Service Model.
2

Server Script

2. Server Script
Use a Server Script element to structure the implementation of your business logic.
3

Exclusive gateway

3. Exclusive gateway
Use Exclusive Gateway elements for a conditional flow implementation of your business logic.
4

REST API Connector

4. REST API Connector
Use a REST API Connector for an external system integration.
5

End Event

5. End Event
An End Event is mandatory in every Server Service Model.
6

Technical Error End Event

6. Technical Error End Event
This element indicates that the parent model has to handle a Technical Error.