# product\$1hierarchy
<a name="product-hierarchy-entity"></a>

**Primary key (PK)**

The table below lists the column names that are uniquely identified in the data entity.


| Name | Column | 
| --- | --- | 
| product\$1hierarchy | id | 

The table below lists the column names supported by the data entity:


| Column | Data type | Required | Description | 
| --- | --- | --- | --- | 
|  id  |  string  |  Yes  |  Product group ID.  | 
|  description  |  string  |  No  |  Description of the product group.  | 
|  company\$1id1  |  string  |  No  |  Company ID.  | 
|  parent\$1product\$1group\$1id1  |  string  |  No  |  Parent of this product group. If null, it indicates this record is a top level product group.  | 
|  creation\$1date  |  timestamp  |  No  |  Date when the product group was created.  | 
|  update\$1date  |  timestamp  |  No  |  Date when the product group was updated.  | 
| source | string | No | Source of data. | 

1Foreign key

**Foreign key (FK)**

The table below lists the columns with the associated foreign key.


| Column | Category | FK/Data entity | FK/Column | 
| --- | --- | --- | --- | 
| company\$1id | Organization | company | id | 
| parent\$1product\$1group\$1id | Product | product\$1hierarchy | id |