# nKode Enrollment 
```mermaid
sequenceDiagram
    participant User
    participant Client
    participant Server
    Note over User,Client: Enrollment
    Client->>User: Signup Form
    Note left of User: email: user@example.com
    User->>Client: Submit Email
    Client->>+Server: Signup Session: user@example.com
    Server->>Server: Create Signup Session
    Note over User,Client: Set nKode
    Server-->>-Client: signup_session_id, set_keypad, icons
    Note left of Server: signup_session_id:<br/>92a2a1c6-3146-4d47-ac00-5160a7ebf104
    Note left of Server: set_keypad:<br/>Key 0: [ 7 14  3 28 23]<br/>Key 1: [ 1 26 15 10  5]<br/>Key 2: [13 20 27  4 29]<br/>Key 3: [25  8 21 16 11]<br/>Key 4: [19  2  9 22 17]<br/>
    Note left of Server: Icons:<br/>[😀,😂,🥳,😍,🤓<br/>😎,🥺,😡,😱,🤯<br/>🥰,😴,🤔,🙃,😇<br/>🤖,👽,👾,🐱,🐶<br/>🦁,🐻,🐸,🐙,🦄<br/>🌟,⚡,🔥,🍕,🎉] 
    Client->>Client: Order Icons by keypad
    Client->>User: Display Keypad
    Note left of Client: Key 0: ['😡' '😇' '😍' '🍕' '🐙']<br/>Key 1: ['😂' '⚡' '🤖' '🥰' '😎']<br/>Key 2: ['🙃' '🦁' '🔥' '🤓' '🎉']<br/>Key 3: ['🌟' '😱' '🐻' '👽' '😴']<br/>Key 4: ['🐶' '🥳' '🤯' '🐸' '👾']<br/>
    Note left of User: User icons: ['😍' '🤓' '😇' '😡']
    User->>Client: Set Key Selection: [0, 2, 0, 0]
    Client->>+Server: Set nKode:<br/>92a2a1c6-3146-4d47-ac00-5160a7ebf104<br/>[0, 2, 0, 0]
    Server->>Server: Disperse Set Keypad
    Note over User,Client: Confirm nKode
    Server-->>-Client: signup_session_id, confirm_keypad, icons
    Note left of Server: signup_session_id:<br/>92a2a1c6-3146-4d47-ac00-5160a7ebf104
    Note left of Server: confirm_keypad:<br/>Key 0: [ 7 26 21  4 17]<br/>Key 1: [19 20  3 16  5]<br/>Key 2: [ 1  8  9 28 29]<br/>Key 3: [13 14 15 22 11]<br/>Key 4: [25  2 27 10 23]<br/>
    Client->>Client: Order Icons by keypad
    Client->>User: Display Keypad
    Note left of Client: Key 0: ['😡' '⚡' '🐻' '🤓' '👾']<br/>Key 1: ['🐶' '🦁' '😍' '👽' '😎']<br/>Key 2: ['😂' '😱' '🤯' '🍕' '🎉']<br/>Key 3: ['🙃' '😇' '🤖' '🐸' '😴']<br/>Key 4: ['🌟' '🥳' '🔥' '🥰' '🐙']<br/>
    Note left of User: User icons: ['😍' '🤓' '😇' '😡']
    User->>Client: Key Selection: [1, 0, 3, 0]
    Client->>+Server: Confirm nKode:<br/>92a2a1c6-3146-4d47-ac00-5160a7ebf104<br/>[1, 0, 3, 0]
    Server->>Server: Create User
    Server-->-Client: Success
```