About equation of expectation

I would like to know how to implement the equation
" πΈπ‘‘βˆ—(πœ‰π‘‘+1)=𝐸𝑑(πœ‰π‘‘+1)+πœƒ(𝐸𝑑(πœ‰π‘‘+1)βˆ’πΈπ‘‘-1(πœ‰t+1)οΌ‰ in Dynare."

See