@spec call(conn :: Plug.Conn.t(), _opts :: Keyword.t()) :: Plug.Conn.t()

Callback implementation for Plug.call/2.

@spec init(opts :: Keyword.t()) :: Keyword.t()

Starts a trace, considering the filters/parameters in the provided options.

opts

Opts

• tracer(:atom) Required: The tracing module to be used to start the trace.
• allowed_route_replacements([{:list, :atom}, nil]): A list of route parts that may be replaced with their actual value. If not set or set to nil, then all will be allowed, unless they are disallowed. - Default: nil
• disallowed_route_replacements({:list, :atom}): A list of route parts that may not be replaced with their actual value. - Default: []
• query_params({:list, :atom}): A list of query params who's value will be included in the resource name. - Default: []
• tracer_opts(:keyword): Any opts to be passed to the tracer when starting or continuing the trace. - Default: []

You would generally not use allowed_route_replacements and disallowed_route_replacements together.