Retrieve data sourced from other items in the lineup.
Example showing map markers and graph aspects retrieved from various sample pages.
SOURCE retrieves data from other items in a way and format specific to that source. SOURCE shows a count of items found to have the desired source.
- marker — map markers as lat and lon - region — map zoom as north, south, east and west - aspect — named collections of named graphs
The state that moves in from and out to other blocks.