The Notify function in Power Apps is used to display a notification message to the user. This function is particularly useful for providing feedback, alerting users to errors or success, and guiding them through the app's process.
PowerApps – Notify() function Syntax
Notify(Message [, NotificationType] [, Timeout])
- Message: The message to display in the notification.
- NotificationType (optional): The type of notification to display. It can be NotificationType.Information, NotificationType.Success, NotificationType.Warning, or NotificationType.Error. The default is NotificationType.Information.
- Timeout (optional): The duration in milliseconds for which the notification is displayed. The default is 3000 milliseconds (3 seconds).
Notification Types
- NotificationType.Information: Displays an informational message (default).
- NotificationType.Success: Displays a success message, usually indicating a successful operation.
- NotificationType.Warning: Displays a warning message, usually indicating a caution or potential issue.
- NotificationType.Error: Displays an error message, usually indicating that something went wrong.
Notes:
- Message Clarity: Ensure that the notification messages are clear and concise to effectively communicate with users.
- Notification Duration: Adjust the timeout duration based on the importance and length of the message. Use longer durations for critical messages and shorter ones for less important notifications.
- Consistent Styling: Use consistent notification types and styling throughout your app to maintain a uniform user experience.
- Form Validation: Use Notify to provide immediate feedback on form validation, such as missing or incorrect fields.
- User Guidance: Provide informational messages to guide users through app processes and steps.
- Error Handling: Alert users to errors and issues that occur during app operations, such as failed data submissions or invalid inputs.
- Success Confirmation: Confirm successful operations, such as data submissions, updates, or deletions.
Suppose you want to display a simple informational notification.
- Add a Button Control:
- Insert a Button control named InfoButton.
- Set the Text property of the Button to "Show Info".
- Set the OnSelect property of the Button to:
Notify("This is an informational message.")
When the button is clicked, it will display an informational notification with the message "This is an informational message."
PowerApps – Display a Success Notification
Suppose you want to display a success message when a user submits a form.
- Add a Button Control:
- Insert a Button control named SubmitButton.
- Set the Text property of the Button to "Submit".
- Set the OnSelect property of the Button to:
// Assume form submission logic here
Notify("Form submitted successfully!", NotificationType.Success)
When the button is clicked, it will display a success notification with the message "Form submitted successfully!"
PowerApps – Display an Error Notification
Suppose you want to display an error message if a required field is empty.
- Add a Text Input Control:
- Insert a Text Input control named NameInput.
- Add a Button Control:
- Insert a Button control named ValidateButton.
- Set the Text property of the Button to "Validate".
- Set the OnSelect property of the Button to:
If(IsBlank(NameInput.Text),
Notify("Name is required.", NotificationType.Error),
Notify("Validation successful!", NotificationType.Success)
)
When the button is clicked, it will display an error notification if the NameInput is empty, and a success notification if it is not.
PowerApps – Display a Warning Notification
Suppose you want to warn users if they are about to delete an important record.
- Add a Button Control:
- Insert a Button control named DeleteButton.
- Set the Text property of the Button to "Delete".
- Set the OnSelect property of the Button to:
Notify("Are you sure you want to delete this record?", NotificationType.Warning)
When the button is clicked, it will display a warning notification with the message "Are you sure you want to delete this record?"
Here’s a comprehensive example that demonstrates using the Notify function to provide feedback during form submission and validation:
- Add a Text Input Control for User Name:
- Insert a Text Input control named NameInput.
- Set the HintText property to "Enter your name".
- Add a Button Control for Submission:
- Insert a Button control named SubmitButton.
- Set the Text property of the Button to "Submit".
- Set the OnSelect property of the Button to:
If(IsBlank(NameInput.Text),
Notify("Name is required.", NotificationType.Error),
Notify("Form submitted successfully!", NotificationType.Success)
)
PowerApps – Customize Notification Duration
You can also customize the duration for which the notification is displayed by using the optional Timeout parameter. Here’s how you can do it:
- Add a Button Control for Custom Duration Notification:
- Insert a Button control named CustomDurationButton.
- Set the Text property of the Button to "Custom Duration".
- Set the OnSelect property of the Button to:
Notify("This message will be displayed for 5 seconds.", NotificationType.Information, 5000)
This button will display an informational message for 5 seconds (5000 milliseconds).