'group_by' : fields.boolean('Group Journal Items', help="Check this if you want to group the Journal Items by Product while closing a Session"),
'pricelist_id': fields.many2one('product.pricelist','Pricelist', required=True),
'company_id': fields.many2one('res.company', 'Company', required=True),
'group_by' : fields.boolean('Group Journal Items', help="Check this if you want to group the Journal Items by Product while closing a Session"),
'pricelist_id': fields.many2one('product.pricelist','Pricelist', required=True),
'company_id': fields.many2one('res.company', 'Company', required=True),