...
An AIDA data provider that supports setting values will accept either a single scalar or vector value, or a list of named scalar or vector values. The EPICS channel access data provider is of the former sort, and the SLC Magnet server is of the latter.
NB: Presently, only the EPICS Channel Access and SLC Magnet data providers support write operations.
An example of setting a scalar EPICS process variable:
...