Facebook Group Welcome Message Sequence

Create a welcoming onboarding sequence for new members joining my Facebook group [GROUP NAME] focused on [NICHE/TOPIC]. Design:

1. Immediate Welcome Post Template:
   - Warm greeting
   - Introduction to group purpose
   - Key rules summary
   - First action prompt

2. Day 1 Follow-up Message:
   - Resource sharing
   - Popular threads to explore
   - Introduce yourself prompt

3. Day 3 Engagement Check:
   - Value-driven content
   - Question to spark participation
   - Community highlight

4. Day 7 Integration Message:
   - Deeper community features
   - Exclusive content access
   - Feedback request

Tone should be: [FORMAL/CASUAL/PROFESSIONAL]. Include emoji usage appropriate for our [AUDIENCE TYPE] audience.