TWC Work Search Log https://www.twc.texas.gov/files/jobse...
Fill out each week, then print a PDF file for your records.
No need to submit via TWC Portal unless they ask.

Per Paragraph 2 ...
"If TWC asked you to submit information regarding your unemployment insurance (UI) claim, such as proof of ID, a Work Search Log, or other documentation, you can submit your documents online with our UI Submission Upload portal."
https://apps.twc.state.tx.us/UBS/wsl/...