2021-05-23 23:30:14 +02:00

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Markdown

Title: Text prompt
Order: 0
RedirectFrom: prompt
---
Sometimes you want to get some input from the user, and for this
you can use the `Prompt<TResult>`.
<?# AsciiCast cast="input" /?>
<?# Alert ?>
The use of prompts
insides status or progress displays is not supported.
<?#/ Alert ?>
## Confirmation
```csharp
if (!AnsiConsole.Confirm("Run example?"))
{
return;
}
```
```text
Run example? [y/n] (y): _
```
## Simple
```csharp
// Ask for the user's name
string name = AnsiConsole.Ask<string>("What's your [green]name[/]?");
// Ask for the user's age
int age = AnsiConsole.Ask<int>("What's your [green]age[/]?");
```
```text
What's your name? Patrik
What's your age? 37
```
## Choices
```csharp
var fruit = AnsiConsole.Prompt(
new TextPrompt<string>("What's your [green]favorite fruit[/]?")
.InvalidChoiceMessage("[red]That's not a valid fruit[/]")
.DefaultValue("Orange")
.AddChoice("Apple")
.AddChoice("Banana")
.AddChoice("Orange"));
```
```text
What's your favorite fruit? [Apple/Banana/Orange] (Orange): _
```
## Validation
```csharp
var age = AnsiConsole.Prompt(
new TextPrompt<int>("What's the secret number?")
.Validate(age =>
{
return age switch
{
< 99 => ValidationResult.Error("[red]Too low[/]"),
> 99 => ValidationResult.Error("[red]Too high[/]"),
_ => ValidationResult.Success(),
};
}));
```
```text
What's the secret number? 32
Too low
What's the secret number? 102
Too high
What's the secret number? _
```
## Secrets
```csharp
var password = AnsiConsole.Prompt(
new TextPrompt<string>("Enter [green]password[/]")
.PromptStyle("red")
.Secret());
```
```text
Enter password: ************_
```
## Optional
```csharp
var color = AnsiConsole.Prompt(
new TextPrompt<string>("[grey][[Optional]][/] [green]Favorite color[/]?")
.AllowEmpty());
```
```text
[Optional] Favorite color? _
```