Customizations

Validation messages can be customized using the following four options:

Property name	Description	Default value
invalidFileSizeMessageSummary	Summary message of the invalid file size. The placeholder {0} refers to the file name.	{0}: Invalid file size,
invalidFileSizeMessageDetail	Detail message of the invalid file size. The placeholder {0} refers to the file size.	maximum upload size is {0}.
invalidFileTypeMessageSummary	Summary message of the invalid file type. The placeholder {0} refers to the file type.	{0}: Invalid file type,
invalidFileTypeMessageDetail	Detail message of the invalid file type. The placeholder {0} refers to the allowed file types.	allowed file types: {0}

The next code snippet and screenshot demonstrate custom messages. They also show how you can set custom labels for buttons:

<p-fileUpload name="demofiles[]" url="http://localhost:3004/
              fake-backend"
              multiple="true" accept=&quot...