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transformations
Python SDK
from cognite.client.data_classes import TransformationWrite, TransformationDestination
from cognite.client.data_classes.transformations.common import ViewInfo, EdgeType, DataModelInfo
transformations = [
    TransformationWrite(
        external_id="transformation1",
        name="transformation1",
        ignore_null_fields=False,
        destination=TransformationDestination.assets()
    ),
    TransformationWrite(
        external_id="transformation2",
        name="transformation2",
        ignore_null_fields=False,
        destination=TransformationDestination.raw("myDatabase", "myTable")
    ),
     TransformationWrite(
         external_id="transformation3",
         name="transformation3",
         ignore_null_fields=False,
         view = ViewInfo(space="TypeSpace", external_id="TypeExtId", version="version"),
         destination=TransformationDestination.nodes(view, "InstanceSpace")
     ),
     TransformationWrite(
         external_id="transformation4",
         name="transformation4",
         ignore_null_fields=False,
         view = ViewInfo(space="TypeSpace", external_id="TypeExtId", version="version"),
         destination=TransformationDestination.edges(view, "InstanceSpace")
     ),
     TransformationWrite(
         external_id="transformation5",
         name="transformation5",
         ignore_null_fields=False,
         edge_type = EdgeType(space="TypeSpace", external_id="TypeExtId"),
         destination=TransformationDestination.edges(edge_type,"InstanceSpace")
     ),
     TransformationWrite(
         external_id="transformation6",
         name="transformation6",
         ignore_null_fields=False,
         data_model = DataModelInfo(space="modelSpace", external_id="modelExternalId",version="modelVersion",destination_type="viewExternalId"),
         destination=TransformationDestination.instances(data_model,"InstanceSpace")
     ),
     TransformationWrite(
         external_id="transformation7",
         name="transformation7",
         ignore_null_fields=False,
         data_model = DataModelInfo(space="modelSpace", external_id="modelExternalId",version="modelVersion",destination_type="viewExternalId", destination_relationship_from_type="connectionPropertyName"),
         destination=TransformationDestination.instances(data_model,"InstanceSpace")
     ),
]
res = client.transformations.create(transformations)
Transformation.Builder builder = Transformation.newBuilder() 
.setName("TransformationTestSDK-")
.setQuery("select * from teste")
.setConflictMode("upsert")
.setIsPublic(true)
.setExternalId("TestSKD-")
.setIgnoreNullFields(true)
.setDataSetId(dataSetId)
.setDestination(Transformation.Destination.newBuilder()
.setType("raw")
.setDatabase("Test")
.setTable("Test")
.build()
);
List<Transformation> createdList = client.transformations().upsert(List.of(builder.build()));
curl --request POST \
--url https://{cluster}.cognitedata.com/api/v1/projects/{project}/transformations \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"items": [
{
"name": "<string>",
"externalId": "my.known.id",
"ignoreNullFields": true,
"query": "<string>",
"destination": {},
"isPublic": true,
"dataSetId": 123,
"tags": [
"<string>"
]
}
]
}
'
const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
items: [
{
name: '<string>',
externalId: 'my.known.id',
ignoreNullFields: true,
query: '<string>',
destination: {},
isPublic: true,
dataSetId: 123,
tags: ['<string>']
}
]
})
};

fetch('https://{cluster}.cognitedata.com/api/v1/projects/{project}/transformations', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://{cluster}.cognitedata.com/api/v1/projects/{project}/transformations",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'items' => [
[
'name' => '<string>',
'externalId' => 'my.known.id',
'ignoreNullFields' => true,
'query' => '<string>',
'destination' => [

],
'isPublic' => true,
'dataSetId' => 123,
'tags' => [
'<string>'
]
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"strings"
"net/http"
"io"
)

func main() {

url := "https://{cluster}.cognitedata.com/api/v1/projects/{project}/transformations"

payload := strings.NewReader("{\n \"items\": [\n {\n \"name\": \"<string>\",\n \"externalId\": \"my.known.id\",\n \"ignoreNullFields\": true,\n \"query\": \"<string>\",\n \"destination\": {},\n \"isPublic\": true,\n \"dataSetId\": 123,\n \"tags\": [\n \"<string>\"\n ]\n }\n ]\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
require 'uri'
require 'net/http'

url = URI("https://{cluster}.cognitedata.com/api/v1/projects/{project}/transformations")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"items\": [\n {\n \"name\": \"<string>\",\n \"externalId\": \"my.known.id\",\n \"ignoreNullFields\": true,\n \"query\": \"<string>\",\n \"destination\": {},\n \"isPublic\": true,\n \"dataSetId\": 123,\n \"tags\": [\n \"<string>\"\n ]\n }\n ]\n}"

response = http.request(request)
puts response.read_body
{
  "items": [
    {
      "id": 123,
      "name": "<string>",
      "query": "<string>",
      "destination": {},
      "isPublic": true,
      "createdTime": 123,
      "lastUpdatedTime": 123,
      "owner": "<string>",
      "ownerIsCurrentUser": true,
      "hasSourceOidcCredentials": true,
      "hasDestinationOidcCredentials": true,
      "externalId": "my.known.id",
      "ignoreNullFields": true,
      "blocked": {
        "reason": "<string>",
        "createdTime": 123
      },
      "sourceSession": {
        "clientId": "<string>",
        "sessionId": 123,
        "projectName": "<string>"
      },
      "destinationSession": {
        "clientId": "<string>",
        "sessionId": 123,
        "projectName": "<string>"
      },
      "lastFinishedJob": {
        "id": 123,
        "uuid": "<string>",
        "transformationId": 123,
        "transformationExternalId": "<string>",
        "sourceProject": "<string>",
        "destinationProject": "<string>",
        "destination": {},
        "query": "<string>",
        "createdTime": 123,
        "ignoreNullFields": true,
        "startedTime": 123,
        "finishedTime": 123,
        "lastSeenTime": 123,
        "error": "<string>"
      },
      "runningJob": {
        "id": 123,
        "uuid": "<string>",
        "transformationId": 123,
        "transformationExternalId": "<string>",
        "sourceProject": "<string>",
        "destinationProject": "<string>",
        "destination": {},
        "query": "<string>",
        "createdTime": 123,
        "ignoreNullFields": true,
        "startedTime": 123,
        "finishedTime": 123,
        "lastSeenTime": 123,
        "error": "<string>"
      },
      "schedule": {
        "id": 123,
        "externalId": "<string>",
        "createdTime": 123,
        "lastUpdatedTime": 123,
        "interval": "0 0 * * *",
        "isPaused": true
      },
      "dataSetId": 123,
      "tags": [
        "<string>"
      ]
    }
  ]
}
{
"error": {
"code": 123,
"message": "<string>",
"missing": [
{
"externalId": "my.known.id"
}
],
"duplicated": [
{
"externalId": "my.known.id"
}
]
}
}
{
"error": {
"code": 123,
"message": "<string>",
"missing": [
{
"externalId": "my.known.id"
}
],
"duplicated": [
{
"externalId": "my.known.id"
}
]
}
}
{
"error": {
"code": 123,
"message": "<string>",
"missing": [
{
"externalId": "my.known.id"
}
],
"duplicated": [
{
"externalId": "my.known.id"
}
]
}
}

Authorizations

Authorization
string
header
required

Access token issued by the CDF project's configured identity provider. Access token must be an OpenID Connect token, and the project must be configured to accept OpenID Connect tokens. Use a header key of 'Authorization' with a value of 'Bearer $accesstoken'. The token can be obtained through any flow supported by the identity provider.

Body

application/json
items
object[]
Maximum array length: 1000

Response

Response with list of transformations.

Array of objects (Transformation).

items
object[]
Last modified on July 10, 2026