# `Appsignal.Metadata`
[🔗](https://github.com/appsignal/appsignal-elixir/blob/v2.17.0/lib/appsignal/metadata.ex#L1)

# `t`

```elixir
@type t() :: term()
```

All the types that implement this protocol.

# `category`

```elixir
@spec category(t()) :: nil | binary()
```

# `metadata`

```elixir
@spec metadata(t()) :: map()
```

# `name`

```elixir
@spec name(t()) :: nil | binary()
```

# `params`

```elixir
@spec params(t()) :: map()
```

# `session`

```elixir
@spec session(t()) :: map()
```

---

*Consult [api-reference.md](api-reference.md) for complete listing*