> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pingintel.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Top-Level Attributes

This document lists all top-level attributes that are (or can be) generated into a JSON output file for SOV documents.

## Top-level Attributes

**`id`** Globally-unique identifier. Notes: If the same file is sent in twice, it will get two different IDs. Updates to a file will retain the same ID.

**`source_filename`** Name of the file that this data came from.

**`num_buildings`** Number of items found.

**`extra_data`** Document-level additional key/value data fields. (client specific, optional)

**`uw_rules`** Evaluated underwriting rules, if any. See [Underwriting Rules Format](/json-formats/uw-rules) (client specific, optional)

**`policy_terms`** The list of supplied policy terms. See the [Perils Terms Format](/json-formats/peril-terms), [Layer Terms Format](/json-formats/layer-terms), and [Zone Terms Format](/json-formats/zone-terms) pages for details.

**`computed_policy_terms`** The list of computed policy terms. See [Computed Policy Terms Format](/json-formats/computed-policy-terms) page for details.
**`buildings`** The list of building items. See [Buildings Format](/json-formats/buildings) page for details.