| Input Parameters | Significance |
| DtvLong idn | ident number of the type relation |
| Output Parameters | Significance |
| char *lis | name of the list [0 = not specified] |
| char *frm | name of the forms [0 = not specified] |
| char *tab | name of the table [0 = not specified] |
| Return Code | Significance |
| 0 | no error |
| 1 | type relation is not registered in DataView |
| -1 | data base error reading the type data |
When zero pointers are passed for the output parameters, the corresponding values are not read.
In the calling function have to be allocated 21+21+14 bytes storage place.