API GetPartyMember

Returns 1 if the specified party member exists, nil otherwise. memberExists = GetPartyMember(index)

Arguments

 * index : Number - Which party member to query (1-4).

Returns

 * memberExists: Flag - If the specified party member exists, returns 1, otherwise.

Example
memberCount = 0 for groupindex = 1,MAX_PARTY_MEMBERS do if (GetPartyMember(groupindex)) then memberCount = memberCount + 1 end end

Result
Will count the number of members in the party (not the best way to do that but it's a reasonable example).