Working with AWS-originated Opportunities-Rejecting an AWS-originated ACE opportunity

Number of APIs: 3

1. ListEngagementInvitations POST {{BASE_URL}}/ListEngagementInvitations

2. GetEngagementInvitation POST {{BASE_URL}}/GetEngagementInvitation

3. RejectEngagementInvitation POST {{BASE_URL}}/RejectEngagementInvitation