Attachment Control/Field

  • Updated

Attachment is a file upload control that used to upload one or multiple files along with form submission. Then the file(s) can be viewed or downloaded. 

Yeeflow allows all types of files to be uploaded and downloaded then. However only these type files, including Microsoft Office Suite and PDFs, can be viewed by using web browser on PC. 


Tips: 50MB is the maximum size allowed for a single uploaded file. 

Label & Binding

The label will display as the title of this field. You can define the name for this field.

In Form builder, You also can switch off "Display Title" to hide the label on the form. 

Binding is also only applicable for form builder. An attachment field can be reset to bind with any other file uploaded controls on this form. 

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Define the appearance of this field to change the styles. 

  • Display Style

There are two options (Attachment or File Section) to define its display style of this field. If there will be a number of files to upload you can choose File Section, you can enable/disable Collapse for this section. 


  • File Name

By default, files uploaded via Upload Attachment retain their name (e.g. XX.png; XX.docx) and cannot be renamed.


  • Dynamic Display Rules

When you set a dynamic display rule for this field, It behaves differently based on specific conditions and rules.  There are four actions(Hide/Show/Read-only/Editable) for image controls. 

Learn how to create dynamic display rules for a field

  • Allow Comment

You can enable/disable comments on this field after the form is submitted. There are two options to trigger comments entering:  On Click and Mouse Hover

For a bound control, the comment key will be auto-bound with this control/field.

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Validation will verify that the data users enter in this form meets the standards you specify before the form can be submitted.

  • Readonly

Set this field as read-only to create variable form pages of your workflow(or application versions) . All bound controls (fields) can be made read-only, with the exception of fields that are already read-only by default.  E.g. Calculation.

  • Required

Required field will make sure the user provides a response. When a field is required, an error message will display under this field and at right top of the form. The form cannot be submitted until a value has been added to the field.

Required fields are indicated by a red asterisk(*) next to the label. By default, fields are never required.

Note: Only a required field in visible of this form will trigger the validation action.

  • Upload Multiple

You can enable/disable multiple uploading for a attachment field. If multiple enabled, the users are able to upload one or multiple files according to your maximum value.


  • Custom Validation

You can set a custom error message that will display under your field when specified conditions become true. It will allow you to add any number of rules for validating your field.
Learn more about the Custom Validation.

  • Event Rules (only applicable for Forms)

Event rules allow you to set actions that should be taken on events that meet your designated rule criteria. You can create event rules to execute any number of actions based on this field. 

Learn more about the Event Rules.  

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