The parameter for setMarker and addMarker methods.
Use this in conjunction with setMarker and addMarker methods. For example:
setMarker({sectionIndex:5, itemIndex:10});
addMarker({sectionIndex:7, itemIndex: 2});
NOTE This is an abstract type. Any object meeting this description can be used where this type is used.
The sectionIndex of the reference item.
The sectionIndex of the reference item.