# `HephaestusEcto.Schema.Instance`
[🔗](https://github.com/lucas-stellet/hephaestus_ecto/blob/v0.3.0/lib/hephaestus_ecto/schema/instance.ex#L1)

Ecto schema for persisted workflow instances.

Backed by the `workflow_instances` table with these fields:

  * `:id` — workflow instance ID (business key format key::value)
  * `:workflow` — workflow module name as a string
  * `:status` — runtime status as a string
  * `:workflow_version` — integer workflow version persisted separately from state
  * `:state` — JSON-compatible serialized workflow state
  * `:inserted_at` / `:updated_at` — Ecto timestamps

# `changeset`

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