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Drupal 8 Module Development by Daniel Sipos

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Custom Views argument

When we first exposed the player and team data to Views, we used an argument plugin so that we could have a contextual filter on the team ID a player belongs to. To do this, we used the existing numeric plugin on the actual team_id field of the players table. But what if we wanted an argument that works on more levels? For example, we don't exactly know what kind of data we'll receive, but we want to be able to handle nicely both a numeric one (team ID) and a textual one (team name). All in one argument. To achieve this, we can create a simple ViewsArgument plugin to handle this for us.

First thing, like always, is to define this field. We don't want to mess with the team_id field onto which we added the earlier argument ...

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