Returns a stored dataset in the current PV‑WAVE session.

data_name—A scalar string containing a data name (in the default domain, $GLOBAL) or a 2-element string array containing a domain name and data name.

values—The data values stored under the specified data_name.

This function produces an error if there is no data stored in the specified location. Use DMDataExists to test for this condition.

To be valid, the data_name input parameter name must begin with a letter. The name is not case-sensitive, and may contain letters, underscores, and numbers.

The following command gets data named STUFF from the default domain
($GLOBAL) and stores it in a variable named my_data.

my_data = DMGetData( ['$GLOBAL', 'STUFF' ] )

DMCopyData, DMDataExists, DMEnumerateData, DMInit, DMRenameData, DMRemoveData, DMStoreData