Add parameters to an item.

Some items can be taxed differently depending on the properties of that item, such as the item grade or by a particular measurement of that item. In AvaTax, these tax-affecting properties are called "parameters".

A parameter added to an item will be used by default in tax calculation but will not show on the transaction line referencing the item .

A parameter specified on a transaction line will override an item parameter if they share the same parameter name.

To see available parameters for this item, call /api/v2/definitions/parameters?$filter=attributeType eq Product

Some parameters are only available for use if you have subscribed to specific AvaTax services. To see which parameters you are able to use, add the query parameter "$showSubscribed=true" to the parameter definition call above.

Security Policies

• This API requires one of the following user roles: AccountAdmin, AccountOperator, BatchServiceAdmin, CompanyAdmin, CSPTester, SSTAdmin, TechnicalSupportAdmin.