actor client 

client -> omi : send documents
alt current version
    omi -> client : sent
    alt @async 30s+
        omi -> document : document merging instruction[]
        document-> omi : merged pdfs[]
        alt for each unit/pdf
                omi -> messages : create messages with pdf URL
        end
    end
end
alt NEXT alt 2
    alt for each unit its merging instructions
        omi -> messages : create messages with document merging instructions []
        alt @async
            messages -> document : create merged pdf
            document -> messages : merged pdf
    end
    end
omi -> client : sent
end

# Document merging instruction

## Supports

1. simple URL (does nothing)
2. render template with data
3. render template/data + watermark
4. MERGING

## Examples from OMI (owners meeting invitation)

1. Cover letter (template+watermark+data)
2. Agenda Items (template+data)
3. OPTIONAL: Add HGA documents per unit (with url)
5. OPTIONAL: Add EP documents per unit (with url)
6. OPTIONAL: Add HGA annex document (template+data)
7. OPTIONAL: All unit additional document (with url)
8. OPTIONAL: Specific unit additional document (with url)

# P&L Report requirements

1. Generate 1 report that would apply to multiple people
2. Send out the 1 report to multiple contacts

# Questions

1. DocumentMergingDto data field save?
2. separate name?
3. Save each sub document?
4. Casavi send multiple documents at once?