Input suggestion/autocomplete box is very easy to use, just install Input suggestion/autocomplete box and take reference of Input suggestion/autocomplete box web block, This web block take 2 parameters.

Input parameters-

1. InputId - Input field id, Recommended input types are text, search, url, tel, email, number, Date and Time types, Range type. Color type, Password type 

2. DataList - List of options which are displays as suggestion to autocomplete input field value.

It specifies a list of pre-defined options for an <input> element, It's used to provide an "autocomplete" feature for <input> elements. Users will see a drop-down list of pre-defined options as they input data.

Input suggestion/autocomplete box specifies the predefined options for an <input> element. it also gives the autocomplete feature for the <input> element of HTML. Like once the user starts typing in input field the user will see the pre-defined options starting with the letter or word typed by the use

Input suggestion/autocomplete box allow user to choose any option from the given list but can also use its own input.