Configuration capacities :

• The resolution that have to be meet before to perform the Story Point validation
• Customfield assumed as Story Point (Type is Number)

Validation if the resolution meet the configured value :

• Story Point have to be validated against Fibonacci series N = N(x-1) + N(x-2) starting from 1
  (1, 2, 3, 5, 8, 13, 21, 34, 55, ...)