result, err := api.MethodName(params...)
if err != nil {
    // Handle error (rate limits, permissions, etc.)
    return err
}
// Use result

channelID := "C1234567890"
text := "Hello, Slack!"

_, _, err := api.PostMessage(
    channelID,
    slack.MsgOptionText(text, false),
)

headerText := slack.NewTextBlockObject("mrkdwn", "*Deployment Complete*", false, false)
headerBlock := slack.NewSectionBlock(headerText, nil, nil)

divider := slack.NewDividerBlock()

bodyText := slack.NewTextBlockObject("mrkdwn", "Version 2.1.0 deployed successfully", false, false)
bodyBlock := slack.NewSectionBlock(bodyText, nil, nil)

_, _, err := api.PostMessage(
    channelID,
    slack.MsgOptionBlocks(headerBlock, divider, bodyBlock),
)

channelName := "project-updates"
isPrivate := false

channel, err := api.CreateConversation(channelName, isPrivate)
if err != nil {
    return err
}
fmt.Printf("Created channel: %s (ID: %s)\n", channel.Name, channel.ID)

params := &slack.GetConversationsParameters{
    Types: []string{"public_channel"},
    Limit: 100,
}

channels, nextCursor, err := api.GetConversations(params)

user, err := api.GetUserInfo("U1234567890")
if err != nil {
    return err
}

fmt.Printf("User: %s (%s)\n", user.Profile.RealName, user.Profile.Email)

users, err := api.GetUsers()
if err != nil {
    return err
}

for _, user := range users {
    fmt.Printf("- %s (%s)\n", user.Name, user.ID)
}

params := slack.FileUploadParameters{
    File:     "report.pdf",
    Channels: []string{"C1234567890"},
    Title:    "Monthly Report",
}

file, err := api.UploadFile(params)
if err != nil {
    return err
}

_, _, err := api.PostMessage(channelID, slack.MsgOptionText(text, false))
if err != nil {
    if rateLimitErr, ok := err.(*slack.RateLimitedError); ok {
        time.Sleep(rateLimitErr.RetryAfter)
        // Retry operation
    }
    return err
}

cursor := ""
for {
    params := &slack.GetConversationsParameters{
        Cursor: cursor,
        Limit:  100,
    }

    channels, nextCursor, err := api.GetConversations(params)
    if err != nil {
        return err
    }

    // Process channels...

    if nextCursor == "" {
        break
    }
    cursor = nextCursor
}