External - Ericsson IOG/IN Records(3.1)
Record Declaration
The syntax of an IN external  format is declared as follows:
external <format_name> inw { <field declarations> };
No size declarations are necessary for an IN record since it is given by the enclosing sequential record. In fact, an INW record can only be used as the final field in a sequential record.
Field Declaration
The syntax of an IN field  is declared as follows:
bcd tag_id(<int_constant>) <field_name> <: options>;
The available tag_id
 values are given by the Ericsson IN documentation.
The available options are:
Option | Description |
---|---|
| Indicates that the field has a number frame. Two fields will be generated if this is specified, one with the specified field name and the other suffixed with |
| Indicates that the field has a GNCI. Two fields will be generated if this is specified, one with the specified field name and one suffixed with |
| As |
| Identical to sequential definitions |
| Identical to sequential definitions |
| Identical to sequential definitions |