Returns the value of the track attribute.
emr_track.attr.get(track = NULL, attr = NULL)
track name
attribute name
Track attribute value or 'NULL'.
This function returns the value of a track attribute or 'NULL' if the attribute does not exist.
emr_db.init_examples()
#> NULL
emr_track.attr.set("sparse_track", "test_attr", "value")
emr_track.attr.get("sparse_track", "test_attr")
#> [1] "value"