A list of values of a certain type, e.g. a list of handle indexes
An example is
<step pause="0.001">Handles.SetSourceHandleRange("Workspaces", {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11})</step>
The type of the values - in this case: Int32 - is defined elsewhere.