import {createEffect, attach} from 'effector'

​

const original = createEffect({

  handler: params => {

    console.log('Original effect called with', params)

  },

})

​

const created = attach({

  effect: original,

  mapParams: params => {

    console.log('Created effect called with', params)

    return {wrapped: params}

  },

})

​

created('HELLO')

​