Create custom service from ble_app_uart_c example

Hello, I would like to make changes in ble_app_uart_c example for connecting to a custom peripheral.

Service Uuid of my peripheral is as follows : 99aa0001-d0e3-44ce-a306-ba057b9b25a7 Characteristic1 uuid of this service : 99aa0002-d0e3-44ce-a306-ba057b9b25a7 Characteristic2 uuid of this service : 99aa0003-d0e3-44ce-a306-ba057b9b25a7

I made following change according to NUS_BASE_UUID variable #define NUS_BASE_UUID {{0xA7, 0x25, 0x9B, 0x7B, 0x05, 0xBA, 0x06, 0xA3, 0xCE, 0x44, 0xE3, 0xD0, 0x00, 0x00, 0xAA, 0x99}} #define BLE_UUID_NUS_SERVICE 0x0001
#define BLE_UUID_NUS_TX_CHARACTERISTIC 0x0002
#define BLE_UUID_NUS_RX_CHARACTERISTIC 0x0003

By doing so I am unable to connect my central to peripheral. Are there any other variables need to be changed? Please help me in this regard