SET GLOBAL gtid_domain_id = 1;

STOP SLAVE;
SHOW SLAVE STATUS \G

*************************** 1. row ***************************
Slave_IO_State: NULL
Master_Host: 192.168.56.101
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mariadb-bin.000001
Read_Master_Log_Pos: 510
Relay_Log_File: mysqld-relay-bin.000002
Relay_Log_Pos: 642
Relay_Master_Log_File: mariadb-bin.000001
Slave_IO_Running: No
Slave_SQL_Running: No
...
Exec_Master_Log_Pos: 510
...
1 row in set (0.00 sec)

SELECT BINLOG_GTID_POS('mariadb-bin.000001', 510);
+--------------------------------------------+
| BINLOG_GTID_POS('mariadb-bin.000001', 510) |
+--------------------------------------------+
| 1-101-1                                    |
+--------------------------------------------+
1 row in set (0.00 sec)

SET GLOBAL gtid_slave_pos = '1-101-1';
CHANGE MASTER TO master_use_gtid=slave_pos;
START SLAVE;

MariaDB [mysql]> SHOW SLAVE STATUS\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.56.101
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mariadb-bin.000001
Read_Master_Log_Pos: 510
Relay_Log_File: mysqld-relay-bin.000002
Relay_Log_Pos: 642
Relay_Master_Log_File: mariadb-bin.000001
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
...
Exec_Master_Log_Pos: 510
...
Using_Gtid: Slave_Pos
Gtid_IO_Pos: 1-101-1
1 row in set (0.00 sec)