code: func (o *UploadTaskFileParams) WriteToRequest(r runtime.ClientRequest, reg strfmt.Registry) error {
  
  	if err := r.SetTimeout(o.timeout); err != nil {
  		return err
  	}
  	var res []error
  
  	if o.Description != nil {
  
  		// form param description
  		var frDescription string
  		if o.Description != nil {
  			frDescription = *o.Description
  		}
  		fDescription := frDescription
  		if fDescription != "" {
  			if err := r.SetFormParam("description", fDescription); err != nil {
  				return err
  			}
  		}
  
  	}
  
  	if o.File != nil {
  
  		if o.File != nil {
  
  			// form file param file
  			if err := r.SetFileParam("file", o.File); err != nil {
  				return err
  			}
  
  		}
  
  	}
  
  	// path param id
  	if err := r.SetPathParam("id", swag.FormatInt64(o.ID)); err != nil {
  		return err
  	}
  
  	if len(res) > 0 {
  		return errors.CompositeValidationError(res...)
  	}
  	return nil
  }
docs: // WriteToRequest writes these params to a swagger request