Syntax correction for my rank calculation

[dreweezy]

This is a follow up from my previous thread. I now fully understand how the qsVariable works and now have it set up so that I want to show the Top 10 and Bottom 10 values in a bar chart given my dimension. I also found the Qlik community refers this to as Cyclic Dimension, but please correct me if I am wrong. My syntax is not working although I feel that it is very close. 

Dimension: ACCOUNT

Value: SALES

Variable: vTopBot (1 = top 10, 2 = bottom 10)

Syntax under measure is:

if('$(vTopBot)'=1,Sum({<ACCOUNT={"=Rank(-Sum(SALES))<=10"}>},
if('$(vTopBot)'=2,Sum({<ACCOUNT={"=Rank(-Sum(SALES))<=10"}>})
))

Any help would be greatly appreciated.

[Channa]

=If(Aggr(Rank(Sum(SALES)),Account)<=10,Account)

for top 10 it is ur dimension

=If(Aggr(Rank(-Sum(SALES)),Account)<=10,Account)

bottom 10

[pradosh_thakur]

if($(vTopBot)=1,Sum({<ACCOUNT={"=Rank(-Sum(SALES))<=10"}>},
if($(vTopBot)=2,Sum({<ACCOUNT={"=Rank(-Sum(SALES))<=10"}>})
))

or

if($(vTopBot)=1,Sum({<ACCOUNT={"=$(=Rank(-Sum(SALES)))<=10"}>},
if($(vTopBot)=2,Sum({<ACCOUNT={"=$(=Rank(-Sum(SALES)))<=10"}>})
))

You need to check what your dimension are if the dimensions for the measures are different then the chart dimensions