# nKode Enrollment 
```mermaid
sequenceDiagram
    participant User
    participant Client
    participant Server
    Note over User,Server: 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,Server: Set nKode
    Server-->>-Client: signup_session_id, set_keypad, icons
    Note left of Server: signup_session_id:<br/>d7e50a75-d3ff-482a-b0e7-ce99c3838c1a
    Note left of Server: set_keypad:<br/>Key 0: [12 13 20 21 16]<br/>Key 1: [ 6  1 14  9  4]<br/>Key 2: [ 0  7 26 15 28]<br/>Key 3: [24 19  2 27 10]<br/>Key 4: [18 25  8  3 22]<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: [1, 3, 3, 0]
    Client->>+Server: Set nKode:<br/>d7e50a75-d3ff-482a-b0e7-ce99c3838c1a<br/>[1, 3, 3, 0]
    Server->>Server: Disperse Set Keypad
    Note over User,Server: Confirm nKode
    Server-->>-Client: signup_session_id, confirm_keypad, icons
    Note left of Server: signup_session_id:<br/>d7e50a75-d3ff-482a-b0e7-ce99c3838c1a
    Note left of Server: confirm_keypad:<br/>Key 0: [ 6 13  8 15 10]<br/>Key 1: [24  7 14  3 16]<br/>Key 2: [12 25  2  9 28]<br/>Key 3: [ 0  1 20 27 22]<br/>Key 4: [18 19 26 21  4]<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: [4, 4, 1, 1]
    Client->>+Server: Confirm nKode:<br/>d7e50a75-d3ff-482a-b0e7-ce99c3838c1a<br/>[4, 4, 1, 1]
    Server->>Server: Create User
    Server-->>-Client: Success
```