# ProjectParticipantContact

An object type of the [Archipad API](https://docs.archipad.dev/apis/archipad-graphql.md).

```graphql
type ProjectParticipantContact
```

How to reach a participant of a project.

## Fields

- `email`: `String!` — E-mail address of the participant.
- `firstName`: `String!` — First name of the participant; empty when unknown.
- `id`: `String!` — Identifier of the participant: `archiweb_` followed by their Archiweb user id. Same as `user.id`.
- `lastName`: `String!` — Last name of the participant; empty when unknown.
- `phoneNumber`: `String` — Phone number from the project directory; null when unknown.