Microchip does it like this:
Code:
SPILoadTX(CAN_LD_TXB0_ID, 13, DataArray); 
  
  //Configure TX BUFFER 1
  DataArray[0] =  0x22;
  DataArray[1] =  0x00;
  DataArray[2] =  0x64;
  DataArray[3] =  0x68;
  DataArray[4] =  0x02;
  DataArray[5] =  0x00;
  DataArray[6] =  0x11;
  DataArray[7] =  0x22;
  DataArray[8] =  0x33;
  DataArray[9] =  0x44;
  DataArray[10] = 0x55;
  DataArray[11] = 0x66;
  DataArray[12] = 0x77;