Send an alert when a crypto price crosses your threshold

flowchart TD trig(["every hour"]):::trigtime s0["Check hourly coin price"]:::task s1["Compare price to threshold"]:::task s2["Send threshold alert email"]:::svc trig --> s0 s0 --> s1 gx{"× threshold crossed or not"}:::gate s1 --> gx p00["Send alert email"]:::task gx -->|"Threshold crossed"| p00 p10["Skip this hour"]:::task gx -->|"Not crossed"| p10 p00 --> s2 p10 --> s2 lp{"runs hourly with no end date"}:::gate s2 --> lp lp -. "returns to check price next hour" .-> s0 lp -->|"finished"| out out[/"email alert when price crosses threshold"/]:::out pay{{"catch price moves without watching charts"}}:::pay 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