---
schema_version: "1"
id: 654f6c52e0dd74d72f8a6061dd8fd90b4f0961402d940203428c6f80e773bb31
title: Metadata Extraction and Refresh
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/data/264-0-0/c360_a_metadata_ext_rfsh.md
canonical_url: https://help.salesforce.com/s/articleView?id=data.c360_a_metadata_ext_rfsh.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 1c0010840e73a8b9ff5e576fe01cd8a4257e6fe5ec91fc7980b153f44ffa510a
description: The metadata extraction framework extracts standard and custom metadata from a Salesforce org. Data 360 stores the metadata in a metadata data lake object (mDLO). A metadata extraction pipeline monitors the metadata's lifecycle, extraction, and ingestion into the catalog. The extraction pipeline handles bulk (Day 0), incremental metadata ingestion, and refresh between the Salesforce org and Data 360.
products:
  - Data 360
release: "264"
---
# Metadata Extraction and Refresh

The metadata extraction framework extracts standard and custom metadata from a Salesforce org. Data 360 stores the metadata in a metadata data lake object (mDLO). A metadata extraction pipeline monitors the metadata's lifecycle, extraction, and ingestion into the catalog. The extraction pipeline handles bulk (Day 0), incremental metadata ingestion, and refresh between the Salesforce org and Data 360.

![A graphical illustration shows the flow of metadata from the Salesforce ecosystem to Data 360 objects, MDLO, MDMO, and Search Index. The AI interfaces and apps access the index through a metadata grounding model context protocol (MCP) server.](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/data_cloud/images/Data360_MetadataExtract_Flow.png)

After you turn on Salesforce Catalog, Data 360 runs an initial full sync to extract and ingest your org's metadata. Provisioning the catalog can take time depending on the size of your org.

After the initial sync completes, Salesforce Catalog keeps your metadata current through two mechanisms:

- **Incremental metadata sync**: For supported metadata types, Salesforce Catalog detects changes as they happen, such as adding a custom field, modifying an object, or updating an agent definition. It updates the catalog without waiting for the next scheduled refresh.
- **Daily full refresh**: Every 24 hours, Salesforce Catalog runs a complete metadata refresh to ensure coverage across all metadata types, including types not yet supported by incremental sync.