1. Make sure that you have installed the Adafruit Libraryhttps://github.com/adafruit/Adafruit_TLC59711
2. See the code and try to understand it .
3. Copy and Paste the example provided by Adafruit https://github.com/adafruit/Adafruit_TLC59711/tree/master/examples/tlc59711test
4. If you have only one board change the number 2 to 1 in the question:
//How many board do you have chained?
5. In void loop()
Delete all except the first line.
6. In void colorWipe(uint16_t r, uint16_t g, uint16_t b, uint8_t wait)
tlc.setLED(i, r, g, b);
Hope it helps.