Update dataframe for visNetwork graph
Arguments
- id
Edge id. If create_link is FALSE, id cannot be not NULL.
- from
Node id.
- to
Node it.
- label
Edge label. This is useful to map the existing connected nodes to the input slots of the receiving node (for instance a join block).
- vals
Reactive values, containing elements such as edges data.
- create_link
Create a link in the board?