---
title: "pg_propgraph_label_property"
id: catalog-pg-propgraph-label-property
pg_version: "20devel"
---

<a id="catalog-pg-propgraph-label-property"></a>

## 52.43. pg_propgraph_label_property

The catalog pg_propgraph_label_property stores information about the properties in a property graph that are specific to a label. In particular, this stores the expression that defines the property. 

**pg_propgraph_label_property Columns**

| Column Type | Description | 
| --- | --- |
| `oid` `oid` | Row identifier |
| `plppropid` `oid` (references [pg_propgraph_property](catalog-pg-propgraph-property.md).`oid`) | Reference to the property |
| `plpellabelid` `oid` (references [pg_propgraph_element_label](catalog-pg-propgraph-element-label.md).`oid`) | Reference to the label (indirectly via pg_propgraph_element_label, which then links to pg_propgraph_label) |
| `plpexpr` `pg_node_tree` | Expression tree (in `nodeToString()` representation) for the property's definition. The expression references the table reached via pg_propgraph_element_label and pg_propgraph_element. |