hi welcome to homebrewtalk. we will need more info ,
did you already bottle and there is no fizz or are you about to bottle and wondering how much sugar to add?
but in general priming sugar is used to make homebrew "fizzy".
the general rule of thumb is 5-6 oz of priming sugar for 5 gallons of beer. more for more fizz less for less fizz. but dont over do it or they can explode.
Dissolve #bottles x 5 oz (~1 tsp) priming sugar in clean water and boil it to sanitize. Divide the total volume up by #bottles and dose each sanitized bottle with that amount of solution.
Then fill and cap and let sit for a week at room temp.