siteId on a TenantSiteAccess scopes the access grant to a single site rather than the entire tenant's data. An organization managing multiple sites can grant external access to one specific site without exposing data from other sites. Administrators can review all TenantSiteAccess records for a given siteId to audit who has access to that site's field data, sampling records, and reports.
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Site Access Site
`siteId` on a TenantSiteAccess identifies the specific monitoring site the tenant is being granted access to.
