{"id":"cs-adoption-email-subject-lines-three","audience":"customer-success","category":"support-work","technique":"constraints","track":"support","level":"beginner","title":"Write three subject lines for an adoption email series","free":false,"task":"Write one subject line for each email in the series as exactly three lines starting \"Email 1:\", \"Email 2:\" and \"Email 3:\". Each subject is 6 words or fewer and names the one action. Never use the words Reminder, Urgent, Last chance or Don't miss. Plain text, under 40 words.","materialLabel":"Your material (attached to your prompt automatically)","material":"NEW-USER NUDGE SERIES (Cascade Notes app)\nEmail 1 (Day 3): ask the user to create their first project.\nEmail 2 (Day 10): ask the user to invite two teammates.\nEmail 3 (Day 21): ask the user to run their first report.\n\nStyle: specific and calm. One action per email, named in the subject.\nPast subjects that performed badly: 'Reminder: you haven't logged in', 'Last chance to get started', 'Don't miss out on your trial', 'Urgent: finish setup'. Opens were 14%.\nBest past subject (31% opens): 'Your first project takes 2 minutes'.\nMarketing wants emojis; the team style guide says no emojis.","rules":[{"type":"plainText"},{"type":"maxWords","max":40}],"mistakes":[{"title":"Copying the bad subjects","why":"The AI reuses the urgent tone from the past subjects.","fix":"Say: \"Never use Reminder, Urgent, Last chance or Don't miss.\"","checks":["r2"]},{"title":"Naming no action","why":"The AI writes 'Welcome to Cascade'.","fix":"Say: \"Each subject names its one action.\"","checks":["r1"]},{"title":"Wrong length or labels","why":"The AI writes long subjects without labels.","fix":"Name the three labels and the 6-word limit.","checks":["r0"]},{"title":"Getting markdown back","why":"AI adds bold and headings by default, which show up as stray symbols where this is pasted.","fix":"Say \"plain text, no bold, no headings, no asterisks\".","checks":["plainText"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting and usually runs long, so a vague \"keep it short\" lands well over the limit.","fix":"Cap each part instead of the total, for example \"each line under 15 words\".","checks":["maxWords"]}],"promptHints":[{"label":"Asks for plain text","patterns":["plain","no bold","no markdown","no formatting","no headings"]},{"label":"Sets a length limit","patterns":["\\d+\\s*words","word (limit|count)","under \\d+"]},{"label":"Names the labels","patterns":["email 1:","email 2:","email 3:"]},{"label":"Bans pressure words","patterns":["reminder","urgent","last chance"]}],"hint":"Subject lines should be specific and calm. Name the labels, the length limit, the action for each and the banned words.","rubricLabels":["The output is exactly three lines starting Email 1:, Email 2: and Email 3:, each subject 6 words or fewer after the label","The subjects name the actions: creating the first project, inviting teammates, and running the first report, in that order","No subject uses the words Reminder, Urgent, Last chance or Don't miss, and none has an emoji"]}