You can enable synchronization function to apply the card swiping records of specified resources from HikCentral Professional to the third-party database automatically.

1. Click System > Advanced > Data Interchange to enter the Data Interchange page.
2. Set Data Synchronization switch to on to enable synchronization function.
3. Click Add and select the resource(s) for card swiping records synchronization.
   Note:

   You can click on Operation column to delete the resource or click Delete All to delete all added resources.

4. Select Database Synchronization.
5. Set the required parameters of the third-party database, including database type, server IP address, server port, database name, user name and password.
6. Click Test Connection to test whether database can be connected.
7. Set table parameters of database table and table fields according to the actual configurations.
   1. Enter the table name of the third-party database.
   2. Set the mapped table fields between the HikCentral Professional and the third-party database.
8. Click Save.

   The attendance data will be written to the third-party database.