rejectEngagementInvitation
inline suspend fun PartnerCentralSellingClient.rejectEngagementInvitation(crossinline block: RejectEngagementInvitationRequest.Builder.() -> Unit): RejectEngagementInvitationResponse
This action rejects an EngagementInvitation that AWS shared. Rejecting an invitation indicates that the partner doesn't want to pursue the opportunity, and all related data will become inaccessible thereafter.