---
title: "Validate a single entity dynamic mapping with a dry-run"
method: POST
path: "/api/v1/entity_dynamic_mappings/dry-run"
tags: ["Entity dynamic mapping"]
---

# Validate a single entity dynamic mapping with a dry-run

`POST /api/v1/entity_dynamic_mappings/dry-run`

Validate one JSLT mapping definition against a sample payload and target template identifier without persisting any data

## Request body

- EntityDynamicMappingDryRunDtoIn — Request payload for a single entity dynamic mapping dry-run validation
  - `mapping` EntityDynamicMappingCreateDtoIn, required
    - `identifier` string, required
    - `entity_template_identifier` string, required
    - `filter` string
    - `name` string, required
    - `description` string
    - `entity` EntityMappingDtoIn, required
      - `identifier` string, required
      - `name` string, required
      - `properties` object
      - `relations` EntityDynamicMappingRelationDtoIn[]
        - `name` string, required
        - `target_entity_identifiers` string[], required
  - `payload` unknown, required

## Response `200`

Dry-run completed successfully

## Other responses

- `400` — Invalid entity dynamic mapping data provided
- `404` — Entity template not found with the provided identifier
- `422` — Mapping validation, template validation or expression evaluation error

---

[API](https://skmtc.net/decathlon/apis/idp-core-api.md) · [All operations](https://skmtc.net/decathlon/apis/idp-core-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/decathlon/idp-core-api/versions/7e634c43bc1b/schema)