The Custom Extractor supports three levels of nesting so you can easily extract structured data from complex documents and tables (earnings reports, tax forms, invoices, resumes, etc.)

## Feature The Custom Extractor supports three levels of nesting so you can easily extract structured data from complex documents and tables (earnings reports, tax forms, invoices, resumes, etc.). Learn how to use [three levels of nesting](https://cloud.google.com/document-ai/docs/workbench/cde-with-genai#three-level%5Fnesting). ## Feature The Custom Extractor with generative AI is now available in the asia-southeast1 (Singapore) regions. For more information, see [Custom processors](https://cloud.google.com/document-ai/docs/processors-list#custom%5Fprocessors). ## Feature See the model type, generative or custom, powering a Custom Extractor processor version by [getting the model type from the processorVersions API](https://cloud.google.com/document-ai/docs/reference/rest/v1/projects.locations.processors.processorVersions#modeltype).