[{"label": "Certificate Name", "type_id": 1, "field_name": "certificate_name", "data_column": "certificate_name", "order_index": 1, "options_table": "training_courses", "options_label_column": "name", "options_value_column": "id"}, {"label": "Category", "type_id": 1, "field_name": "category", "data_column": "category", "order_index": 2, "options_table": "training_categories", "options_label_column": "name", "options_value_column": "id"}, {"label": "Employee Id", "type_id": 4, "field_name": "employee_id", "data_column": "certificate_user_id", "order_index": 3, "options_table": "users", "options_label_column": "full_name", "options_value_column": "id"}, {"label": "Issued At", "type_id": 3, "field_name": "issued_at", "data_column": "issued_at", "order_index": 4}, {"label": "Expiry Date", "type_id": 3, "field_name": "expiry_date", "data_column": "expiry_date", "order_index": 5}]