| id | PositionConfig.boundary |
|---|---|
| type | String | UserDefinedElement | Window |
A boundary element in which the overlay element must be positioned.
The boundary element limits possible positions for the overlay element. The default boundary element is Window. If actual boundaries should be narrower or wider than the boundary element, set the boundaryOffset. When a specified position exceeds the boundaries, a collision occurs.
For information on accepted value types, refer to the of property description.