<p>Adds tasks, schedules, and preconditions to the specified pipeline. You can use <code>PutPipelineDefinition</code> to populate a new pipeline.</p> <p> <code>PutPipelineDefinition</code> also validates the configuration as it adds it to the pipeline. Changes to the pipeline are saved unless one of the following three validation errors exists in the pipeline. </p> <ol> <li>An object is missing a name or identifier field.</li> <li>A string or reference field is empty.</li> <li>The number of objects in the pipeline exceeds the maximum allowed objects.</li> <li>The pipeline is in a FINISHED state.</li> </ol> <p> Pipeline object definitions are passed to the <code>PutPipelineDefinition</code> action and returned by the <a>GetPipelineDefinition</a> action. </p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}