How to get a event when a select box is pre-selected in :edit action

In a Phoenix LiveView application and I have a form where I am in :edit action I would like get an event when the select box is pre-selected to load other values. I only get the event when the user select a new value manually.

<.simple_form
        for={@form}
        id="release_artifact_version-form"
        phx-target={@myself}
        phx-change="validate"
        phx-submit="save"
      >

<.input field={@form[:type]} type="select" prompt="Select Artifact Type" label="Artifact type" options={Enum.map(@artifact_type_collection, fn artifact_type -> {artifact_type.name, artifact_type.id} end)} />