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# initiateIgaApprovalByRequest

Initiate the IGA approval for a service request.

Initiate the policy-defined approval for the IGA access request linked to a service request
(SER). Resolves the linked service-item-instance from the request id and starts the
entitlement policy's approval lifecycle (approvers resolved from the policy).

## Parameters

| Name        | Type   | Required | Description                               |
| ----------- | ------ | -------- | ----------------------------------------- |
| `requestId` | string | Yes      | Service request display id (e.g. SRQ-123) |