> ## Documentation Index
> Fetch the complete documentation index at: https://dev.ownright.com/llms.txt
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# EngagementCreateInput

> Input to create an engagement. Exactly one of the type-specific inputs must be provided.

<Note>Exactly one of the following fields must be provided.</Note>

## Fields

<ParamField path="purchase" type="PurchaseEngagementCreateInput">
  Input to create a purchase engagement.
</ParamField>

<ParamField path="refinance" type="RefinanceEngagementCreateInput">
  Input to create a refinance engagement.
</ParamField>

## Used by

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