> ## Documentation Index > Fetch the complete documentation index at: https://docs.meibel.ai/llms.txt > Use this file to discover all available pages before exploring further. # Update Column Descriptions ## OpenAPI ````yaml /api-v2.json put /datasources/{datasource_id}/tables/{table_name}/columns openapi: 3.1.0 info: title: Meibel AI API summary: Meibel Gateway Service description: >- Our API allows you to interact with our services. Read the [docs](https://docs.meibel.ai) to learn how to use it. version: 0.6.4 servers: - url: https://api.meibel.ai/v2 description: Meibel API (v2) - url: https://api.dev.meibel.ai/v2 description: Meibel Dev API (v2) - url: http://localhost:8000/v2 description: Local Development security: [] tags: - name: Datasources description: v2 datasource management - name: Data Elements description: v2 data element CRUD and search - name: File Upload description: Upload files to a datasource and track upload progress - name: Ingest description: Trigger and monitor datasource ingestion - name: Datasource Downloads description: Export all datasource content as a zip archive - name: Table Descriptions description: v2 table and column descriptions - name: Metadata Model Catalog description: v2 metadata model catalog - name: Confidence Scoring description: v2 confidence scoring jobs and summaries - name: Documents description: Parse and transform documents into structured data - name: Agents description: Agent definition management - name: Sessions description: Agent session (execution) management and chat - name: Execution Policies description: Data access and tool usage constraints scoped to agent sessions - name: Artifact Schemas description: Agent artifact schema management paths: /datasources/{datasource_id}/tables/{table_name}/columns: put: tags: - Table Descriptions summary: Update Column Descriptions operationId: updateColumnDescriptions parameters: - name: table_name in: path required: true schema: type: string title: Table Name - name: datasource_id in: path required: true schema: type: string title: Datasource Id requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/UpdateTagColumnsRequest' responses: '200': description: Successful Response content: application/json: schema: type: array items: $ref: '#/components/schemas/TagColumn' title: Response Updatecolumndescriptions '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - APIKeyHeader: [] x-codeSamples: - lang: Python label: Python source: >- import os from meibel import MeibelClient from meibel.models import UpdateTagColumnsRequest, TagColumnUpdateItem client = MeibelClient(api_key=os.environ["MEIBEL_API_KEY"]) updated_columns = client.datasources.tables.update_column_descriptions( "ds_9f2a1c7b", "customer_orders", body=UpdateTagColumnsRequest( columns=[ TagColumnUpdateItem( column_name="order_id", description="Unique identifier for each customer order", ), TagColumnUpdateItem( column_name="total_amount", description="Total order value in USD, including tax", ), ] ), ) for column in updated_columns: print(f"{column.column_name}: {column.description}") - lang: TypeScript label: TypeScript source: >- import { MeibelClient } from "meibel"; const client = new MeibelClient({ apiKey: process.env.MEIBEL_API_KEY }); const columns = await client.datasources.tables.updateColumnDescriptions( "ds_abc123", "customers", { columns: [ { column_name: "customer_id", description: "Unique identifier for the customer record", }, { column_name: "signup_date", description: "Date the customer created their account", }, ], } ); console.log(`${columns[0].column_name}: ${columns[0].description}`); - lang: Go label: Go source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"os\"\n\n\tv2 \"github.com/meibel-ai/meibel-go/v2\"\n)\n\nfunc main() {\n\tclient := v2.NewClient(v2.WithAPIKey(os.Getenv(\"MEIBEL_API_KEY\")))\n\n\tcolumns, err := client.Datasources.Tables.UpdateColumnDescriptions(\n\t\tcontext.Background(),\n\t\t\"ds_9f8a7b6c5d4e\",\n\t\t\"customer_orders\",\n\t\tv2.UpdateTagColumnsRequest{\n\t\t\tColumns: []v2.TagColumnUpdateItem{\n\t\t\t\t{\n\t\t\t\t\tColumnName: \"order_id\",\n\t\t\t\t\tDescription: \"Unique identifier for each customer order\",\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tColumnName: \"order_total\",\n\t\t\t\t\tDescription: \"Total order amount in USD, including tax and shipping\",\n\t\t\t\t},\n\t\t\t},\n\t\t},\n\t)\n\tif err != nil {\n\t\tfmt.Println(\"error:\", err)\n\t\treturn\n\t}\n\n\tfor _, col := range columns {\n\t\tfmt.Printf(\"%s (%s): %s\\n\", col.ColumnName, col.Type, col.Description)\n\t}\n}" components: schemas: UpdateTagColumnsRequest: properties: columns: items: $ref: '#/components/schemas/TagColumnUpdateItem' type: array title: Columns description: One entry per column to update on the target table type: object required: - columns title: UpdateTagColumnsRequest description: Bulk update of column descriptions on a single table. TagColumn: properties: column_name: type: string title: Column Name description: Column name as defined in the source table type: anyOf: - type: string - type: 'null' title: Type description: SQL data type of the column (e.g. 'varchar', 'integer') description: anyOf: - type: string - type: 'null' title: Description description: Human-authored description of what this column represents type: object required: - column_name title: TagColumn description: A column on a structured-datasource table, with its description. HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError TagColumnUpdateItem: properties: column_name: type: string title: Column Name description: Name of the column to update description: type: string title: Description description: New description for the column type: object required: - column_name - description title: TagColumnUpdateItem description: >- A single column-description update entry within an UpdateTagColumnsRequest. ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type input: title: Input ctx: type: object title: Context type: object required: - loc - msg - type title: ValidationError securitySchemes: APIKeyHeader: type: apiKey in: header name: Meibel-API-Key ````