Changes to Execute an externally initiated route exposure write

added the new required request property partyProjectionCandidates/items/relationships/items/fromParty

added the new required request property partyProjectionCandidates/items/relationships/items/relationshipType

added the new required request property partyProjectionCandidates/items/relationships/items/toParty

added the pattern ^sha256:[0-9a-f]{64}$ to the request property governance/integrity/canonicalPayloadHash

added the pattern ^sha256:[0-9a-f]{64}$ to the request property governance/integrity/originalPayloadHash

added the pattern ^sha256:[0-9a-f]{64}$ to the request property governance/integrity/outputManifestHash

added the pattern ^sha256:[0-9a-f]{64}$ to the request property governance/integrity/transformationHash

removed the request property policyDecision

added the new optional request property partyProjectionCandidates/items/relationships/items/confidence

added the new optional request property partyProjectionCandidates/items/relationships/items/sourceRef

the payloadHash response's property pattern ^sha256:[0-9a-f]{64}$ was added for the status 200