| Field | Type | Required | Description |
|---|---|---|---|
sourceTargetKind | WebhookSourceTargetKind | No | The source to read; default runtimeTargetKind, else project. |
runtimeTargetKind | WebhookRuntimeTargetKind | No | |
targetEnvironmentId | ID | No | Required with runtimeTargetKind environment. |
targetBranchId | ID | No | Required with runtimeTargetKind preview_branch. |