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There is no need of special indication. You can just refresh the list as soon as the user selects some values in that field, and as the list reloads he will understand that his parameter has been applied as a filter and the results are produced. You should give a loading screen so that user attention diverts there. and he will get to know that as he did some action this is happening.

There is no need of special indication. You can just refresh the list as soon as the user selects some values in that field, and as the list reloads he will understand that his parameter has been applied as a filter and the results are produced.

There is no need of special indication. You can just refresh the list as soon as the user selects some values in that field, and as the list reloads he will understand that his parameter has been applied as a filter and the results are produced. You should give a loading screen so that user attention diverts there. and he will get to know that as he did some action this is happening.

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There is no need of special indication. You can just refresh the list as soon as the user selects some values in that field, and as the list reloads he will understand that his parameter has been applied as a filter and the results are produced.