b = [0 0;10 5;20 2];
p = [0 0;10 0.008;20 0.8];
Create b and p arrays in workspace like shown above - first column is time and second column has the variable value at corresponding time.
Insert From Workspace block into your simulink model and in datafield enter b
Remove check mark in interpolate data and set Holding Final value for Form output data after final value.
Do the same for parameter p also.
