> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://help.sigmacomputing.com/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://help.sigmacomputing.com/_mcp/server. # List columns for all elements in a data model GET https://api.sigmacomputing.com/v2/dataModels/{dataModelId}/columns This endpoint retrieves all columns in a data model for all elements in the data model. ### Usage notes - Retrieve the **dataModelId** by calling the [/v2/dataModels](https://help.sigmacomputing.com/reference/list-data-models) endpoint. ### Usage scenarios - **Data exploration:** Enable users to explore the data structure of a data model element, facilitating deeper analysis and understanding. - **Integration tasks:** Useful for developers integrating Sigma with other tools that need to know the data structure to map data accurately. ### Best practices - Use this endpoint when setting up interfaces that require specific knowledge about the data structure. Reference: https://help.sigmacomputing.com/reference/get-data-model-columns ## OpenAPI Specification ```yaml openapi: 3.1.0 info: title: sigma-rest-api version: 1.0.0 paths: /v2/dataModels/{dataModelId}/columns: get: operationId: getDataModelColumns summary: List columns for all elements in a data model description: >- This endpoint retrieves all columns in a data model for all elements in the data model. ### Usage notes - Retrieve the **dataModelId** by calling the [/v2/dataModels](https://help.sigmacomputing.com/reference/list-data-models) endpoint. ### Usage scenarios - **Data exploration:** Enable users to explore the data structure of a data model element, facilitating deeper analysis and understanding. - **Integration tasks:** Useful for developers integrating Sigma with other tools that need to know the data structure to map data accurately. ### Best practices - Use this endpoint when setting up interfaces that require specific knowledge about the data structure. tags: - dataModels parameters: - name: dataModelId in: path required: true schema: type: string - name: page in: query required: false schema: type: string - name: limit in: query required: false schema: type: number format: double - name: Authorization in: header description: OAuth authentication required: true schema: type: string responses: '200': description: The response body. content: application/json: schema: $ref: >- #/components/schemas/dataModels_getDataModelColumns_Response_200 servers: - url: https://api.sigmacomputing.com description: Server for GCP (US) hosted organizations - url: https://api.sa.gcp.sigmacomputing.com description: Server for GCP (KSA) hosted organizations - url: https://aws-api.sigmacomputing.com description: Server for AWS US (West) hosted organizations - url: https://api.us-a.aws.sigmacomputing.com description: Server for AWS US (East) hosted organizations - url: https://api.ca.aws.sigmacomputing.com description: Server for AWS Canada hosted organizations - url: https://api.eu.aws.sigmacomputing.com description: Server for AWS Europe hosted organizations - url: https://api.au.aws.sigmacomputing.com description: Server for AWS Australia and APAC hosted organizations - url: https://api.uk.aws.sigmacomputing.com description: Server for AWS UK hosted organizations - url: https://api.us.azure.sigmacomputing.com description: Server for Azure US hosted organizations - url: https://api.eu.azure.sigmacomputing.com description: Server for Azure Europe hosted organizations - url: https://api.ca.azure.sigmacomputing.com description: Server for Azure Canada hosted organizations - url: https://api.uk.azure.sigmacomputing.com description: Server for Azure United Kingdom hosted organizations - url: https://api.au.azure.sigmacomputing.com description: Server for Azure Australia hosted organizations components: schemas: V2DataModelsDataModelIdColumnsGetResponsesContentApplicationJsonSchemaEntriesItemsType: type: object properties: {} description: The column's data type, represented as a recursive type object. title: >- V2DataModelsDataModelIdColumnsGetResponsesContentApplicationJsonSchemaEntriesItemsType V2DataModelsDataModelIdColumnsGetResponsesContentApplicationJsonSchemaEntriesItems: type: object properties: columnId: type: string description: Column ID name: type: string description: Column name formula: type: string description: Column formula or source column reference. type: $ref: >- #/components/schemas/V2DataModelsDataModelIdColumnsGetResponsesContentApplicationJsonSchemaEntriesItemsType description: The column's data type, represented as a recursive type object. elementId: type: string description: Element ID required: - columnId - name - formula - type - elementId title: >- V2DataModelsDataModelIdColumnsGetResponsesContentApplicationJsonSchemaEntriesItems dataModels_getDataModelColumns_Response_200: type: object properties: entries: type: array items: $ref: >- #/components/schemas/V2DataModelsDataModelIdColumnsGetResponsesContentApplicationJsonSchemaEntriesItems nextPage: type: - string - 'null' total: type: number format: double required: - entries - nextPage title: dataModels_getDataModelColumns_Response_200 securitySchemes: OAuth: type: http scheme: bearer description: OAuth 2.0 authentication ``` ## Examples **Request** ```json {} ``` **Response** ```json { "entries": [ { "columnId": "col_9f8b7a6d", "name": "Total Sales", "formula": "SUM(Sales.Amount)", "type": { "format": "decimal", "precision": 10, "scale": 2, "type": "number" }, "elementId": "elem_4a3c2b1d" }, { "columnId": "col_1a2b3c4d", "name": "Order Date", "formula": "Orders.OrderDate", "type": { "format": "yyyy-MM-dd", "type": "date" }, "elementId": "elem_4a3c2b1d" }, { "columnId": "col_5e6f7g8h", "name": "Customer Name", "formula": "Customers.Name", "type": { "maxLength": 255, "type": "string" }, "elementId": "elem_7b8c9d0e" } ], "nextPage": null, "total": 3 } ``` **SDK Code** ```python import requests url = "https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns" payload = {} headers = { "Authorization": ".", "Content-Type": "application/json" } response = requests.get(url, json=payload, headers=headers) print(response.json()) ``` ```javascript const url = 'https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns'; const options = { method: 'GET', headers: {Authorization: '.', 'Content-Type': 'application/json'}, body: '{}' }; try { const response = await fetch(url, options); const data = await response.json(); console.log(data); } catch (error) { console.error(error); } ``` ```go package main import ( "fmt" "strings" "net/http" "io" ) func main() { url := "https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns" payload := strings.NewReader("{}") req, _ := http.NewRequest("GET", url, payload) req.Header.Add("Authorization", ".") req.Header.Add("Content-Type", "application/json") res, _ := http.DefaultClient.Do(req) defer res.Body.Close() body, _ := io.ReadAll(res.Body) fmt.Println(res) fmt.Println(string(body)) } ``` ```ruby require 'uri' require 'net/http' url = URI("https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true request = Net::HTTP::Get.new(url) request["Authorization"] = '.' request["Content-Type"] = 'application/json' request.body = "{}" response = http.request(request) puts response.read_body ``` ```java import com.mashape.unirest.http.HttpResponse; import com.mashape.unirest.http.Unirest; HttpResponse response = Unirest.get("https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns") .header("Authorization", ".") .header("Content-Type", "application/json") .body("{}") .asString(); ``` ```php request('GET', 'https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns', [ 'body' => '{}', 'headers' => [ 'Authorization' => '.', 'Content-Type' => 'application/json', ], ]); echo $response->getBody(); ``` ```csharp using RestSharp; var client = new RestClient("https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns"); var request = new RestRequest(Method.GET); request.AddHeader("Authorization", "."); request.AddHeader("Content-Type", "application/json"); request.AddParameter("application/json", "{}", ParameterType.RequestBody); IRestResponse response = client.Execute(request); ``` ```swift import Foundation let headers = [ "Authorization": ".", "Content-Type": "application/json" ] let parameters = [] as [String : Any] let postData = JSONSerialization.data(withJSONObject: parameters, options: []) let request = NSMutableURLRequest(url: NSURL(string: "https://api.sigmacomputing.com/v2/dataModels/dataModelId/columns")! as URL, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10.0) request.httpMethod = "GET" request.allHTTPHeaderFields = headers request.httpBody = postData as Data let session = URLSession.shared let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in if (error != nil) { print(error as Any) } else { let httpResponse = response as? HTTPURLResponse print(httpResponse) } }) dataTask.resume() ```