---
id: 66000a440c2f492ddee509f9
title: "Dialogue 2: Understanding Function Descriptions"
challengeType: 21
dashedName: dialogue-2-understanding-function-descriptions
---

# --description--

Watch the video to understand the context of the upcoming lessons.

# --assignment--

Watch the video

# --scene--

```json
{
  "setup": {
    "background": "company2-breakroom.png",
    "characters": [
      {
        "character": "Tom",
        "position": { "x": -25, "y": 0, "z": 1 }
      },
      {
        "character": "Sarah",
        "position": { "x": 125, "y": 0, "z": 1 }
      }
    ],
    "audio": {
      "filename": "7.2-2.mp3",
      "startTime": 1
    },
    "alwaysShowDialogue": true
  },
  "commands": [
    {
      "character": "Tom",
      "position": { "x": 25, "y": 0, "z": 1 },
      "startTime": 0
    },
    {
      "character": "Sarah",
      "position": { "x": 70, "y": 0, "z": 1 },
      "startTime": 0.5
    },
    {
      "character": "Tom",
      "startTime": 1,
      "finishTime": 6.38,
      "dialogue": {
        "text": "I often find function descriptions in the documentation, but I'm not sure how to interpret them.",
        "align": "left"
      }
    },
    {
      "character": "Tom",
      "startTime": 6.62,
      "finishTime": 8.62,
      "dialogue": {
        "text": "What should I focus on when I'm reading these?",
        "align": "left"
      }
    },
    {
      "character": "Sarah",
      "startTime": 9.3,
      "finishTime": 13.86,
      "dialogue": {
        "text": "That's a great question. First, you should pay attention to the function's name and parameters.",
        "align": "right"
      }
    },
    {
      "character": "Sarah",
      "startTime": 14.2,
      "finishTime": 17.68,
      "dialogue": {
        "text": "It can give you an idea of what the function does and how to use it.",
        "align": "right"
      }
    },
    {
      "character": "Tom",
      "startTime": 17.82,
      "finishTime": 20.28,
      "dialogue": {
        "text": "Got it. Is there anything else I should keep in mind?",
        "align": "left"
      }
    },
    {
      "character": "Sarah",
      "startTime": 21.1,
      "finishTime": 25.68,
      "dialogue": {
        "text": "Absolutely. You should look for a description of what the function does and any return values.",
        "align": "right"
      }
    },
    {
      "character": "Sarah",
      "startTime": 26.28,
      "finishTime": 29.02,
      "dialogue": {
        "text": "Also, check for any examples or code snippets.",
        "align": "right"
      }
    },
    {
      "character": "Sarah",
      "startTime": 29.02,
      "finishTime": 32.16,
      "dialogue": {
        "text": "They can help you illustrate how to use the function effectively.",
        "align": "right"
      }
    },
    {
      "character": "Tom",
      "startTime": 32.9,
      "finishTime": 34.22,
      "dialogue": {
        "text": "Great tips. Thanks a lot.",
        "align": "left"
      }
    },
    {
      "character": "Sarah",
      "position": { "x": 125, "y": 0, "z": 1 },
      "startTime": 34.72
    },
    {
      "character": "Tom",
      "position": { "x": -25, "y": 0, "z": 1 },
      "startTime": 35.22
    }
  ]
}
```
