#text for https://sequencediagram.org/ participant Provider (Data Source) participant Payer (Data Consumer) note over Provider (Data Source):1) Provider has attachments for Payer Provider (Data Source)->Payer (Data Consumer): 2) POST $submit-attachment with attachments in payload alt 3) Accepted Payer (Data Consumer)-->Provider (Data Source): Return HTTP 200 OK +/- OperationOutcome else 3) Rejected Payer (Data Consumer)-->Provider (Data Source): Return HTTP 4xx or 5xx with an OperationOutcome end note right of Payer (Data Consumer): 4) Payer associates data with existing or future\nclaim/prior authorization and processes