| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The relationship between the current element and another element. | ||
| Type | string | The type. | child，parent |
| ObjectId | string | The ID of the element. | id1 |
| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The relationship between the current element and another element. | ||
| Type | string | The type. | child，parent |
| ObjectId | string | The ID of the element. | id1 |