VARIABLE_TYPE is used to select the type of variable that is being added.
X_FIELD_TYPE is a fixed lexicon with the following values:
| Saved Value | Displayed Value |
|---|---|
| 01 | Char |
| 02 | Number |
| 03 | Date |
| 04 | Boolean |
| 05 | URL |
| 06 | |
| 07 | Image |
