The problem, in your own words
What is happening today that should not be, or what should be possible that currently is not. Business framing is more useful than technical framing at this stage.
Contacts
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01Writing about a project
None of these are mandatory. Even a short description of the problem is enough to decide whether a technical conversation makes sense.
What is happening today that should not be, or what should be possible that currently is not. Business framing is more useful than technical framing at this stage.
Applications, databases, hosting, spreadsheets or third-party services involved in the process, including anything that must keep working unchanged.
Fixed deadlines, regulatory requirements, platforms you are committed to, internal skills that will maintain the result, or budget boundaries you already know.
How you will judge whether the work succeeded: a process that takes less time, data that reconciles, releases that stop breaking, a report that arrives automatically.
The roles that will use or maintain the software, and who makes the technical decisions on your side.
Existing documentation, screenshots, exports, API references or repository access if there is a codebase already. Nothing is required to start the conversation.

A clear description of the problem is the most useful thing you can send.