Summary
The Single Line Text field allows users to submit a single line of text. This basic field can be used for anything where no more than a single line of input is required. It is available under the Standard Fields section within the form editor.

Single Line Text field as displayed in the Field Library

Single Line Text field as displayed in the Form Editor.
Common Settings
This field uses only common field settings for the General, Appearance, and Advanced settings. For a description of each of the common field settings, refer to this article. Below you will find description of specialty settings that are particular to this field.
Input Mask
Single Line Text and Post Custom Field are the only fields that have the Input Mask setting. You can learn more about input masks in this article.
Merge Tags
For more information on the use of merge tags, refer to these articles.
Usage
The following example shows the merge tag for a Single Line Text field labeled “Text Field” with id 2.
{Text Field:2}
Modifiers
This merge tag has no modifiers.
Validation
When a maximum character limit is configured for the field, validation ensures the submitted value does not exceed that limit. If the value is too long, the entry cannot be submitted, and an error message is displayed in the field.