PURPOSE OF SERVICE
The Webservice get Item listing.
URL : http://<wavelet erp url>/ws/api/itemService/getAllItems
Request Method : POST
Type : x-www-form-urlencoded
userName : Required
password : Required
companyCode : Required for getting maUnitcost for a selected company
limit : This parameter is optional and by default it is set 100, set a high value to get all items
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