Follow up every new lead automatically by email, text, or WhatsApp

flowchart TD trig(["scheduled lead pull"]):::trigtime s0[["pull new leads from CRM"]]:::mi s1["validate phone and email"]:::task s2["personalize follow up message"]:::svc s3["send via valid channels"]:::svc s4[("log result to database")]:::store trig --> s0 s0 --> s1 s2 --> s3 s3 --> s4 gx{"○ which contact info is valid"}:::gate s1 --> gx p00["send email and text"]:::task gx -->|"both valid"| p00 p10["send email only"]:::task gx -->|"phone invalid"| p10 p20["send text and WhatsApp"]:::task gx -->|"email missing"| p20 jn{"○ merge to logging"}:::gate p00 --> jn p10 --> jn p20 --> jn jn --> s2 out[/"follow up delivered through best channel"/]:::out pay{{"no lead slips through uncontacted"}}:::pay s4 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff