APT Workflow Articles
Filling out a JWST proposal in the Astronomer's Proposal Tool involves entering proposal information, specifying information about the target(s), setting up the observation(s) (including target acquisitions, if needed), defining any special requirements, and ensuring the program can be scheduled as specified. The following articles can help you through this process.
There are also articles describing additional APT functionality that will be helpful for proposal preparation.
JDox contains many example science programs that have corresponding ETC workbooks and APT files that you may find helpful.