How to define Controller Parameters Source for PID simulink block in matlab 2013a?

I am using fuzzy logic controller to tune my PID in matlab simulink model. I therefore require to Specify the PID gains externally but I can't find out the way to do so. I will be thankful to get the solution. Thanks :).

Answer 1

[Arkadiy Turevskiy]

The ability to specify PID gains externally was added in 2015a. It does not exist in the earlier releases. The workaround is to implement your own PID block.