Database Reference

Staff adds sales representatives and their customer assignments without replacing Magento customer or order records. Optional add-ons extend that relationship with history, visits and representative-created quotes.

Staff and customer ownership

Relationship	Why it matters
`customer_salesstaff` belongs to one `customer_salesstaff_group`	Groups representatives for permissions, reporting or organizational structure.
`customer_salesstaff_customer` links one `customer_salesstaff` with one `customer_entity`	Defines which customers a representative may manage.

Customer History and Customer Visit add-ons

Relationship	Why it matters
`customer_salesstaff_customer_history` belongs to one `customer_entity` and one `customer_salesstaff`	Keeps representative notes and activity with the customer account they concern.
`customer_salesstaff_customer_history_file` belongs to one `customer_salesstaff_customer_history`	Stores attachments with the correct history entry.
`customer_salesstaff_visit` belongs to one `customer_salesstaff` and one `customer_entity`	Records the customer covered by a planned or completed visit.
`customer_salesstaff_visit` can refer to one `customer_address_entity`	Connects an on-site visit with the selected customer location.

Staff Quote add-on

Relationship	Why it matters
`customer_salesstaff_quote` belongs to one `customer_salesstaff`	Records the representative responsible for the quote.
`customer_salesstaff_quote` can belong to one `customer_entity`	Associates the quote with the selected customer.
`customer_salesstaff_quote` belongs to one `store`	Preserves the Store View and commercial context used for the quote.
`customer_salesstaff_quote` can create one `sales_order`	Links an accepted representative quote to its Magento order.
`customer_salesstaff_quote_item` belongs to one `customer_salesstaff_quote` and one `catalog_product_entity`	Stores the products and negotiated line details.
Quote history and attachments belong to one `customer_salesstaff_quote`	Preserve changes, communication and supporting files with the quote.

Authentication tokens and internal processing fields are not included. Use the Staff account, Admin screens or module APIs for changes so customer access and attribution rules remain intact.