Bukkit

The [...] means that there can be code in this place, do not type that in your yaml files...

The conditions part is a part of your yaml reward file.

For example you want to reward the player at MINING level 250 you create the file SKILLS/MINING/ONE/250.yml.
Inside this file you set a conditions part with :

conditions:

After the 'conditions:' node you set some condition using available conditions.
If one condition is not fulfill the rewards process is stopped.

Money

conditions:
  [...]
  money:
  - '+200'
  - '-1000'

You must indicate '-' understand 'less than' or '+' understand 'more than'.

• +200 -> the player must have more than 200 on its money balance
• -1000 -> the player must have less than 1000 on its money balance

Permissions

conditions:
  [...]
  perm:
  - -[Base]boo.perms.perm1
  - +[Liberty]boo.perms.perm2
  - +boo.perms.perm3
  - -boo.perms.perm4

You must indicate '-' understand 'must not have' or '+' understand 'must have'.

• -[Base]boo.perms.perm1 -> player must not have boo.perms.perm1 for World Base
• +[Liberty]boo.perms.perm2 -> player must have boo.perms.perm2 for World Liberty
• +boo.perms.perm3 -> player must have boo.perms.perm3
• -boo.perms.perm4 -> player must not have boo.perms.perm4
  The word 'perm' is temporary and will be replaced by 'perms' as soon as possible. Sorry about that and thx Faldonboy for your report.

Group

conditions:
  [...]
  group:
  - -default
  - +sysop

You must indicate '-' understand 'not in group' or '+' understand 'is in group'.

• -default -> player must not be in default group
• +sysop -> player must be in sysop group

Power

conditions:
  [...]
  power:
  - '+10'
  - '-2000'

You must indicate '-' understand 'less than' or '+' understand 'more than'.

• +10 -> the globalpower of its player must be more than 10
• -2000 -> the globalpower of its player must be less than 2000

Skill

conditions:
  [...]  
  skill:
    herbalism:
      level:
      - '+10'
      - '-2000'

You must define for what skill you need this condition.
You must add a level node with the conditions to fulfill.
You must indicate '-' understand 'less than' or '+' understand 'more than'.

• +10 -> the herbalism level of its player must be more than 10
• -2000 -> the herbalism level of its player must be less than 2000

World

conditions:
  [...]
  world: Base

The World where the player must be.