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# Introduction

A connector can send information to a single ingestion target, which could be:

- Connector Framework Server. To process information and then index it into IDOL, Haven OnDemand, or Vertica, send the information to a Connector Framework Server (CFS). Any files retrieved by the connector are imported using KeyView, which means the information contained in the files is converted into a form that can be indexed. If the files are containers that contain subfiles, these are extracted. You can manipulate and enrich documents using Lua scripts and automated tasks such as field standardization, image analysis, and speech-to-text processing. CFS can index your documents into one or more indexes. For more information about CFS, refer to the Connector Framework Server Administration Guide.

- Haven OnDemand. You can index documents directly into a Haven OnDemand text index. Haven OnDemand can extract text, metadata, and subfiles from over 1000 different file formats, so you might not need to send documents to CFS.

- Another Connector. Use another connector to keep another repository up-to-date. When a connector receives documents, it inserts, updates, or deletes the information in the repository. For example, you could use an Exchange Connector to extract information from Microsoft Exchange, and send the documents to a Notes Connector so that the information is inserted, updated, or deleted in the Notes repository.

  Note: The destination connector can only insert, update, and delete documents if it supports the `insert`, `update`, and `delete` fetch actions.

In most cases HPE recommends ingesting documents through CFS, so that KeyView can extract content from any files retrieved by the connector and add this information to your documents. You can also use CFS to manipulate and enrich documents before they are indexed. However, if required you can configure the connector to index documents directly into:

- IDOL Server. You might index documents directly into IDOL Server when your connector produces metadata-only documents (documents that do not have associated files). In this case there is no need for the documents to be imported. Connectors that can produce metadata-only documents include ODBC Connector and Oracle Connector.

- Vertica. The metadata extracted by connectors is structured information held in structured fields, so you might use Vertica to analyze this information.

- MetaStore. You can index document metadata into a MetaStore for records management.

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