How to change dropdowns values based on a selection of another dropdown

[sujithraalink]

How to change dropdowns values based on a selection of another dropdown in espo fields or entities?

[dangnhatminh]

me too

[eymen-elkum]

as I know dynamic logic can do this

[dangnhatminh]

as I know dynamic logic can do this

I do not understand this? Can you give me more instructions?