Documentation Experience Platform Data Ingestion Guide

Batch ingestion developer guide

Last update: Tue May 28 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

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This document provides a comprehensive guide to using batch ingestion API endpoints in Adobe Experience Platform. For an overview of batch ingestion APIs, including prerequisites and best practices, please begin by reading the batch ingestion API overview.

The appendix to this document provides information for formatting data to be used for ingestion, including sample CSV and JSON data files.

Getting started

The API endpoints used in this guide is part of the Batch Ingestion API. Batch ingestion is provided through a RESTful API where you can perform basic CRUD operations against the supported object types.

Before continuing, please review the batch ingestion API overview and the getting started guide.

Ingest JSON files

NOTE

The following steps are applicable for small files (256 MB or less). If you hit a gateway timeout or request body size errors, you need to switch to large file upload.

Create batch

NOTE

The examples below are for single-line JSON. To ingest multi-line JSON, the isMultiLineJson flag will need to be set. For more information, please read the batch ingestion troubleshooting guide.

API format

POST /batches

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/json' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  -d '{
          "datasetId": "{DATASET_ID}",
           "inputFormat": {
                "format": "json"
           }
      }'

Parameter

Description

{DATASET_ID}

The ID of the reference dataset.

Response

{
    "id": "{BATCH_ID}",
    "imsOrg": "{ORG_ID}",
    "updated": 0,
    "status": "loading",
    "created": 0,
    "relatedObjects": [
        {
            "type": "dataSet",
            "id": "{DATASET_ID}"
        }
    ],
    "version": "1.0.0",
    "tags": {},
    "createdUser": "{USER_ID}",
    "updatedUser": "{USER_ID}"
}

Parameter

Description

{BATCH_ID}

The ID of the newly created batch.

{DATASET_ID}

The ID of the referenced dataset.

Upload files

Now that you have created a batch, you can use the batch ID from the batch creation response to upload files to the batch. You can upload multiple files to the batch.

NOTE

See the appendix section for an example of a properly-formatted JSON data file.

API format

PUT /batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}

Parameter

Description

{BATCH_ID}

The ID of the batch you want to upload to.

{DATASET_ID}

The ID of the batch’s reference dataset.

{FILE_NAME}

The name of the file you want to upload. Ensure that you use a unique file name so that it does not clash with another file for the batch of files being submitted.

Request

NOTE

The API supports single-part upload. Ensure that the content-type is application/octet-stream.

curl -X PUT https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}.json \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'content-type: application/octet-stream' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  --data-binary "@{FILE_PATH_AND_NAME}.json"

Parameter

Description

{FILE_PATH_AND_NAME}

The full path and name of the file you are trying to upload. This file path is the local file path, such as acme/customers/campaigns/summer.json.

Response

200 OK

Complete batch

Once you have finished uploading all the different parts of the file, you will need to signal that the data has been fully uploaded, and that the batch is ready for promotion.

API format

POST /batches/{BATCH_ID}?action=COMPLETE

Parameter

Description

{BATCH_ID}

The ID of the batch you want to upload to.

Request

curl -X POST "https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}?action=COMPLETE" \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

200 OK

Ingest Parquet files ingest-parquet-files

NOTE

The following steps are applicable for small files (256 MB or less). If you hit a gateway timeout or request body size errors, you will need to switch to large file upload.

Create batch

Firstly, you will need to create a batch, with Parquet as the input format. When creating the batch, you will need to provide a dataset ID. You will also need to ensure that all the files uploaded as part of the batch conform to the XDM schema linked to the provided dataset.

Request

curl -X POST "https://platform.adobe.io/data/foundation/import/batches" \
  -H "Authorization: Bearer {ACCESS_TOKEN}" \
  -H "Content-Type: application/json" \
  -H "x-gw-ims-org-id: {ORG_ID}" \
  -H "x-api-key: {API_KEY}" \
  -H "x-sandbox-name: {SANDBOX_NAME}"
  -d '{
          "datasetId": "{DATASET_ID}",
           "inputFormat": {
                "format": "parquet"
           }
      }'

Parameter

Description

{DATASET_ID}

The ID of the reference dataset.

Response

201 Created

{
    "id": "{BATCH_ID}",
    "imsOrg": "{ORG_ID}",
    "updated": 0,
    "status": "loading",
    "created": 0,
    "relatedObjects": [
        {
            "type": "dataSet",
            "id": "{DATASET_ID}"
        }
    ],
    "version": "1.0.0",
    "tags": {},
    "createdUser": "{USER_ID}",
    "updatedUser": "{USER_ID}"
}

Parameter

Description

{BATCH_ID}

The ID of the newly created batch.

{DATASET_ID}

The ID of the referenced dataset.

{USER_ID}

The ID of the user who created the batch.

Upload files

Now that you have created a batch, you can use the batchId from before to upload files to the batch. You can upload multiple files to the batch.

API format

PUT /batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}

Parameter

Description

{BATCH_ID}

The ID of the batch you want to upload to.

{DATASET_ID}

The ID of the batch’s reference dataset.

{FILE_NAME}

The name of the file you want to upload. Ensure that you use a unique file name so that it does not clash with another file for the batch of files being submitted.

Request

CAUTION

This API supports single-part upload. Ensure that the content-type is application/octet-stream.

curl -X PUT https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}.parquet \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/octet-stream' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  --data-binary "@{FILE_PATH_AND_NAME}.parquet"

Parameter

Description

{FILE_PATH_AND_NAME}

The full path and name of the file you are trying to upload. This file path is the local file path, such as acme/customers/campaigns/summer.parquet.

Response

200 OK

Complete batch

Once you have finished uploading all the different parts of the file, you will need to signal that the data has been fully uploaded, and that the batch is ready for promotion.

API format

POST /batches/{BATCH_ID}?action=complete

Parameter

Description

{BATCH_ID}

The ID of the batch you want to signal is ready for completion.

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}?action=COMPLETE \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

200 OK

Ingest large Parquet files

NOTE

This section details how to upload files that are larger than 256 MB. The large files are uploaded in chunks and then stitched via an API signal.

Create batch

API format

POST /batches

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/json' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'
  -d '{
          "datasetId": "{DATASET_ID}",
           "inputFormat": {
             "format": "parquet"
           }
      }'

Parameter

Description

{DATASET_ID}

The ID of the reference dataset.

Response

201 Created

{
    "id": "{BATCH_ID}",
    "imsOrg": "{ORG_ID}",
    "updated": 0,
    "status": "loading",
    "created": 0,
    "relatedObjects": [
        {
            "type": "dataSet",
            "id": "{DATASET_ID}"
        }
    ],
    "version": "1.0.0",
    "tags": {},
    "createdUser": "{USER_ID}",
    "updatedUser": "{USER_ID}"
}

Parameter

Description

{BATCH_ID}

The ID of the newly created batch.

{DATASET_ID}

The ID of the referenced dataset.

{USER_ID}

The ID of the user who created the batch.

Initialize large file

After creating the batch, you will need to initialize the large file before uploading chunks to the batch.

API format

POST /batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}

Parameter

Description

{BATCH_ID}

The ID of the newly created batch.

{DATASET_ID}

The ID of the referenced dataset.

{FILE_NAME}

The name of the file that is about to be initialized.

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}.parquet?action=INITIALIZE \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

201 Created

Upload large file chunks

Now that the file has been created, all subsequent chunks can be uploaded by making repeated PATCH requests, one for each section of the file.

API format

PATCH /batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}

Parameter

Description

{BATCH_ID}

The ID of the batch you want to upload to.

{DATASET_ID}

The ID of the batch’s reference dataset.

{FILE_NAME}

The name of the file you want to upload. Ensure that you use a unique file name so that it does not clash with another file for the batch of files being submitted.

Request

CAUTION

This API supports single-part upload. Ensure that the content-type is application/octet-stream.

curl -X PATCH https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}.parquet \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/octet-stream' \
  -H 'Content-Range: bytes {CONTENT_RANGE}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  --data-binary "@{FILE_PATH_AND_NAME}.parquet"

Parameter

Description

{CONTENT_RANGE}

In integers, the beginning and the end of the requested range.

{FILE_PATH_AND_NAME}

The full path and name of the file you are trying to upload. This file path is the local file path, such as acme/customers/campaigns/summer.json.

Response

200 OK

Complete large file

Now that you have created a batch, you can use the batchId from before to upload files to the batch. You can upload multiple files to the batch.

API format

POST /batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}

Parameter

Description

{BATCH_ID}

The ID of the batch you want to signal completion of.

{DATASET_ID}

The ID of the batch’s reference dataset.

{FILE_NAME}

The name of the file you want to signal completion of.

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}.parquet?action=COMPLETE \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

201 Created

Complete batch

Once you have finished uploading all the different parts of the file, you will need to signal that the data has been fully uploaded, and that the batch is ready for promotion.

API format

POST /batches/{BATCH_ID}?action=COMPLETE

Parameter

Description

{BATCH_ID}

The ID of the batch you want to signal is complete.

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}?action=COMPLETE \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

200 OK

Ingest CSV files

In order to ingest CSV files, you’ll need to create a class, schema, and a dataset that supports CSV. For detailed information on how to create the necessary class and schema, follow the instructions provided in the ad-hoc schema creation tutorial.

NOTE

The following steps are applicable for small files (256 MB or less). If you hit a gateway timeout or request body size errors, you will need to switch to large file upload.

Create dataset

After following the instructions above to create the necessary class and schema, you’ll need to create a dataset that can support CSV.

API format

POST /catalog/dataSets

Request

curl -X POST https://platform.adobe.io/data/foundation/catalog/dataSets \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'
  -d '{
      "name": "{DATASET_NAME}",
      "schemaRef": {
          "id": "https://ns.adobe.com/{TENANT_ID}/schemas/{SCHEMA_ID}",
          "contentType": "application/vnd.adobe.xed+json;version=1"
      }
  }'

Parameter

Description

{TENANT_ID}

This ID is used to ensure that resources you create are namespaced properly and contained within your organization.

{SCHEMA_ID}

The ID of the schema you’ve created.

Create batch

Next, you will need to create a batch with CSV as the input format. When creating the batch, you will need to provide a dataset ID. You will also need to ensure that all of the files uploaded as part of the batch conform to the schema linked to the provided dataset.

API format

POST /batches

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/json' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'
  -d '{
            "datasetId": "{DATASET_ID}",
            "inputFormat": {
                "format": "csv"
            }
      }'

Parameter

Description

{DATASET_ID}

The ID of the reference dataset.

Response

201 Created

{
    "id": "{BATCH_ID}",
    "imsOrg": "{ORG_ID}",
    "updated": 0,
    "status": "loading",
    "created": 0,
    "relatedObjects": [
        {
            "type": "dataSet",
            "id": "{DATASET_ID}"
        }
    ],
    "version": "1.0.0",
    "tags": {},
    "createdUser": "{USER_ID}",
    "updatedUser": "{USER_ID}"
}

Parameter

Description

{BATCH_ID}

The ID of the newly created batch.

{DATASET_ID}

The ID of the referenced dataset.

{USER_ID}

The ID of the user who created the batch.

Upload files

Now that you have created a batch, you can use the batchId from before to upload files to the batch. You can upload multiple files to the batch.

NOTE

See the appendix section for an example of a properly-formatted CSV data file.

API format

PUT /batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}

Parameter

Description

{BATCH_ID}

The ID of the batch you want to upload to.

{DATASET_ID}

The ID of the batch’s reference dataset.

{FILE_NAME}

The name of the file you want to upload. Ensure that you use a unique file name so that it does not clash with another file for the batch of files being submitted.

Request

CAUTION

This API supports single-part upload. Ensure that the content-type is application/octet-stream.

curl -X PUT https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}.csv \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/octet-stream' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  --data-binary "@{FILE_PATH_AND_NAME}.csv"

Parameter

Description

{FILE_PATH_AND_NAME}

The full path and name of the file you are trying to upload. This file path is the local file path, such as acme/customers/campaigns/summer.csv.

Response

200 OK

Complete batch

Once you have finished uploading all of the different parts of the file, you will need to signal that the data has been fully uploaded, and that the batch is ready for promotion.

API format

POST /batches/{BATCH_ID}?action=COMPLETE

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}?action=COMPLETE \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

200 OK

Cancel a batch

While the batch is processing, it can still be cancelled. However, once a batch is finalized (such as either a success or failed state), the batch cannot be cancelled.

API format

POST /batches/{BATCH_ID}?action=ABORT

Parameter

Description

{BATCH_ID}

The ID of the batch you want to cancel.

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}?action=ABORT \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

200 OK

Delete a batch delete-a-batch

A batch can be deleted by performing the following POST request with the action=REVERT query parameter to the ID of the batch you wish to delete. The batch is the marked as “inactive”, making it eligible for garbage collection. The batch will be asynchronously collected, at which time it will be marked as “deleted”.

API format

POST /batches/{BATCH_ID}?action=REVERT

Parameter

Description

{BATCH_ID}

The ID of the batch you want to delete.

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}?action=REVERT \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

200 OK

Patch a batch

Occasionally it may be necessary to update data in your organization’s Profile store. For example, you may need to correct records or change an attribute value. Adobe Experience Platform supports the update or patch of Profile store data through an upsert action or “patching a batch”.

NOTE

These updates are allowed only on profile records, not experience events.

The following is required in order to patch a batch:

A dataset enabled for Profile and attribute updates. This is done through dataset tags and requires a specific isUpsert:true tag be added to the unifiedProfile array. For details steps showing how to create a dataset or configure an existing dataset for upsert, follow the tutorial for enabling a dataset for Profile updates.
A Parquet file containing the fields to be patched and identity fields for the Profile. The data format for patching a batch is similar to the regular batch ingestion process. The input required is a Parquet file, and in addition to the fields to be updated, the uploaded data must contain the identity fields in order to match the data in the Profile store.

Once you have a dataset enabled for Profile and upsert, and a Parquet file containing the fields you wish to patch as well the necessary identity fields, you can follow the steps for ingesting Parquet files in order to complete the patch via batch ingestion.

Replay a batch

If you want to replace an already ingested batch, you can do so with “batch replay” - this action is equivalent to deleting the old batch and ingesting a new one instead.

Create batch

Firstly, you will need to create a batch, with JSON as the input format. When creating the batch, you will need to provide a dataset ID. You will also need to ensure that all the files uploaded as part of the batch conform to the XDM schema linked to the provided dataset. Additionally, you will need to provide the old batch(es) as reference in the replay section. In the example below, you are replaying batches with IDs batchIdA and batchIdB.

API format

POST /batches

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/json' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'
  -d '{
          "datasetId": "{DATASET_ID}",
           "inputFormat": {
             "format": "json"
           },
            "replay": {
                "predecessors": ["${batchIdA}","${batchIdB}"],
                "reason": "replace"
             }
      }'

Parameter

Description

{DATASET_ID}

The ID of the reference dataset.

Response

201 Created

{
    "id": "{BATCH_ID}",
    "imsOrg": "{ORG_ID}",
    "updated": 0,
    "status": "loading",
    "created": 0,
    "relatedObjects": [
        {
            "type": "dataSet",
            "id": "{DATASET_ID}"
        }
    ],
    "replay": {
        "predecessors": [
            "batchIdA", "batchIdB"
        ],
        "reason": "replace"
    },
    "version": "1.0.0",
    "tags": {},
    "createdUser": "{USER_ID}",
    "updatedUser": "{USER_ID}"
}

Parameter

Description

{BATCH_ID}

The ID of the newly created batch.

{DATASET_ID}

The ID of the referenced dataset.

{USER_ID}

The ID of the user who created the batch.

Upload files

Now that you have created a batch, you can use the batchId from before to upload files to the batch. You can upload multiple files to the batch.

API format

PUT /batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}

Parameter

Description

{BATCH_ID}

The ID of the batch you want to upload to.

{DATASET_ID}

The ID of the batch’s reference dataset.

{FILE_NAME}

The name of the file you want to upload. Ensure that you use a unique file name so that it does not clash with another file for the batch of files being submitted.

Request

CAUTION

This API supports single-part upload. Ensure that the content-type is application/octet-stream. Do not use the curl -F option, as it defaults to multi-part request that is incompatible with the API.

curl -X PUT https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}/datasets/{DATASET_ID}/files/{FILE_NAME}.json \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'Content-Type: application/octet-stream' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  --data-binary "@{FILE_PATH_AND_NAME}.json"

Parameter

Description

{FILE_PATH_AND_NAME}

The full path and name of the file you are trying to upload. This file path is the local file path, such as acme/customers/campaigns/summer.json.

Response

200 OK

Complete batch

Once you have finished uploading all the different parts of the file, you will need to signal that the data has been fully uploaded, and that the batch is ready for promotion.

API format

POST /batches/{BATCH_ID}?action=COMPLETE

Parameter

Description

{BATCH_ID}

The ID of the batch you want to complete.

Request

curl -X POST https://platform.adobe.io/data/foundation/import/batches/{BATCH_ID}?action=COMPLETE \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}'

Response

200 OK

Appendix

The following section contains additional information for ingesting data in Experience Platform using batch ingestion.

Data transformation for batch ingestion

In order to ingest a data file into Experience Platform, the hierarchical structure of the file must comply with the Experience Data Model (XDM) schema associated with the dataset being uploaded to.

Information on how to map a CSV file to comply with an XDM schema can be found in the sample transformations document, along with an example of a properly formatted JSON data file. Sample files provided in the document can be found here:

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