The SOAP Web service ERPConnectService.svc offers the same functionality and operations that you will find in the client assemblies. Calling a SOAP Web service using JavaScript tends to be more involved than using a REST based Web service.
The SOAP Web service metadata can be found under the path http://SharePointWebAppURL/_vti_bin/ERPConnectService.svc/mex
The Service provide the following operations:
- GetServiceApplicationInfoList
- BeginConnectionScope
- EndConnectionScope
- ExecuteXQL
- ExecuteXQLAndReturnDataTable
- CreateFunction
- ExecuteFunction
- ExecuteTableQuery
- ExecuteTableQueryAndReturnDataTable
