Introduction to Stateful API Scripts in System Platform

This section shows you how to use the MES Stateful API within the System Platform IDE to develop and customize System Platform scripts.

The new API libraries in the current version of  MES offers a more structural hierarchy and provide the flexibility to work on a specific API that is licensed, rather than listing all the API's on a single library.

The  MES APIs are grouped under following types:

• MES Stateful APIs
• MES Stateless APIs

Client controls can use the Stateful API to access and interact with MES Middleware. However, if you attempt to use the Stateful API in System Platform scripts, events and exceptions are not handled correctly.

To avoid these System Platform scripting limitations, you can use the Stateful API wrapper to access Stateful API functionality in System Platform scripts.

This help topic shows how to: