[{"label": "Vendor", "type_id": 4, "field_name": "vendor_id", "data_column": "vendor_id", "order_index": 1, "options_table": "vendors", "options_label_column": "vendorname", "options_value_column": "vendor_id"}, {"label": "Period Start", "type_id": 3, "field_name": "period_start", "data_column": "period_start", "order_index": 2}, {"label": "Period End", "type_id": 3, "field_name": "period_end", "data_column": "period_end", "order_index": 3}, {"label": "KPI Name", "type_id": 1, "field_name": "kpi_name", "data_column": "kpi_name", "order_index": 4}, {"label": "KPI Value", "type_id": 2, "field_name": "kpi_value", "data_column": "kpi_value", "order_index": 5}, {"label": "Rating", "type_id": 2, "field_name": "rating", "data_column": "rating", "order_index": 6}, {"label": "Reviewer", "type_id": 4, "field_name": "reviewer_id", "data_column": "reviewer_id", "order_index": 7, "options_table": "users", "options_label_column": "full_name", "options_value_column": "user_id"}, {"label": "Comments", "type_id": 8, "field_name": "comments", "data_column": "comments", "order_index": 8}]