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# EngagementClientInput

> Input for a client on an engagement.

## Fields

<ParamField path="email" type="String!" required>
  The email address of the client.
</ParamField>

<ParamField path="firstName" type="String!" required>
  The first name of the client.
</ParamField>

<ParamField path="lastName" type="String!" required>
  The last name of the client.
</ParamField>

<ParamField path="middleName" type="String">
  The middle name of the client.
</ParamField>

<ParamField path="phoneNumber" type="E164PhoneNumber">
  The phone number of the client in E.164 format.
</ParamField>

## Used by

* [`engagementCreate`](/lender-api/reference/mutations/engagements/engagement-create) (mutation)