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The query return the master name and type as a string. It can sign into string variable , send as a parameter into function , to compare or concatenate into other string.
<axis>.MasterSource = <source>
Versions 4.7.14 and higher also was added at 4.6.27 and higher.
Configuration, Task or Terminal
common shared mstr as string
Xaxis.Mastersource = Yaxis.pfb
mstr = Xaxis.Mastersource.Name