Unknow Type when binding slice of struct in formdata request

[bashayerAlsalman]

can not bind a slice of struct when the request type is formdata

type request struct {
    id                uint          `form:"id" json:"id"`
    Products   []product `form:"products"`
}

type product struct {
    Name          string      `form:"name"`
    Quantity      int           `form:"quantity"`
   Price              float32  `form:"price"`
}