Specify the node path used for the check box selection value (this path format is common to different formats). The root in the file is represented by "//", and the nodes are separated by "/", such as the content of the YAML file:

CheckboxParameter:
- key: key-1
value: value-1
- key: key-2
value: value-2
- key: key-3
value: value-3

Display node path:
//CheckboxParameter/key
Value node path:
//CheckboxParameter/value
Then, there will be three check boxes, of which the display contents of the check boxes are: key-1, key-2, key-3, and the values obtained after checking the check boxes are: value-1, value-2 , Value-3