This property indicates the data type of a custom logging field to which this property applies. The constants used to specify the data type are listed in the following table:
| Data Type | Value |
| Int | 0 |
| Unsigned int | 1 |
| Long | 2 |
| Unsigned long | 3 |
| Float | 4 |
| Double | 5 |
| Lpstr | 6 |
| Lpwstr | 7 |
For more information about custom logging fields, see Setting Metabase Properties for Logging.
| Data type | Long |
| Default value | 0 (int) |
| Inheritance | Inheritable |
This property is accessible at the following locations:
| Metabase Path | Key Type |
| /LM/Logging/CustomLogging | IIsCustomLogModule |
| /LM/Logging/CustomLogging/Field | IIsCustomLogModule |
| /LM/Logging/CustomLogging/FieldGroup | IIsCustomLogModule |
| /LM/Logging/CustomLogging/FieldGroup/Field | IIsCustomLogModule |
The following tables list additional information required only for code that uses the IIS Admin Base Object.
| Metabase identifier | MD_LOGCUSTOM_PROPERTY_DATATYPE |
| User type | IIS_MD_UT_SERVER |
| Constant | Value | Description |
| MD_LOGCUSTOM_DATATYPE_INT | 0x00000000 | Datatype is int. |
| MD_LOGCUSTOM_DATATYPE_UINT | 0x00000001 | Datatype is unsigned int. |
| MD_LOGCUSTOM_DATATYPE_LONG | 0X00000002 | Datatype is long. |
| MD_LOGCUSTOM_DATATYPE_ULONG | 0X00000003 | Datatype is unsigned long. |
| MD_LOGCUSTOM_DATATYPE_FLOAT | 0X00000004 | Datatype is float. |
| MD_LOGCUSTOM_DATATYPE_DOUBLE | 0X00000005 | Datatype is double. |
| MD_LOGCUSTOM_DATATYPE_LPSTR | 0X00000006 | Datatype is long pointer to string array. |
| MD_LOGCUSTOM_DATATYPE_LPWSTR | 0X00000007 | Datatype is lpwstr. |