Ruby on Rails : Retrieve data from Infusionsoft

How can we retrieve data from infusionsoft according to the tags? I have a table name contacts in infusionsoft and every record have different tags.

@infusion_lenders = Infusionsoft.data_query('Contact',1000,0,{:Tags=>244},Lender.highlight_fields)

Its giving me error of "[NoFieldFound]No field found: Contact.Tag" Please see the attached screenshot I want to fetch all the records having tag "webform action --> Lender Info Complete" :