# Dynamic configs — `get_config`

A config is a typed remote-config value with targeting. Configs are not
user-scoped, but `get_config` is exposed on the bound Client for one-stop
ergonomics. After [`Shipeasy.configure`](configuration.md), read it through the
bound `Shipeasy::Client.new(user)`.

```ruby
# construct once per callsite (cheap; binds the user)
flags = Shipeasy::Client.new(current_user)

color = flags.get_config("button_color")          # raw value
```

## Optional decode + default

The signature is `get_config(name, decode = nil, default: nil)`:

- `decode` — an optional proc run on a **present** value to project it.
- `default` — returned when the config key is **absent**. The decode proc runs on
  a present value; it does not run on the default.

```ruby
flags.get_config("button_color", default: "blue")

# Decode a nested field, with a fallback when the key is missing:
flags.get_config("limits", ->(v) { v["max"] }, default: 0)
```

The default is returned only when the config key is genuinely absent (or the
client isn't ready) — not for a present value that happens to be falsy.