字段帮助 (TXSVARTYP)
Enter an X3 data type in order to control the value of the variable entered at the launch of the calculation. A selection by right click will also be available on the values of this data type. This zone is optional. Leave the field blank if the control (or the selection) has no sense for this variable. For instance, chose the "CNA" type to obtain the selection and the control on the natures and groups of natures.