@Override
	public String getStatusMsg() {
		return errMsg;
	}
Constructs a new command to add a stack variable to a function.
@param addr initial declaration point of variable.
@param stackOffset offset into the stack for the new variable.
@param name name of the new variable. 
@param dataType variable data-type or null for a default data type of minimal size
@param source the source of this stack variable
Ghidra/Features/Base/src/main/java/ghidra/app/cmd/function/AddStackVarCmd.java