File Preview Control Settings
Preview a file that has been uploaded from a previous Task via a File Upload control in that Request.
Control Description
The File Preview control allows the Request participant to configure a file preview that has been previously uploaded to that Request via a File Upload control. After adding the control in the Screen to where to display the file preview, configure the Name setting value for the File Upload control from which to preview the file it uploaded to that Request.
This control is only available for the following Screen types:
See Screen Types.
Package Required
To add a File Preview control to a Screen, the File Manager package must be installed.
Permissions Required
Your user account or group membership must have the following permissions to design a Screen unless your user account has the Make this user a Super Admin setting selected:
Screens: Edit Screens
Screens: View Screens
See the Screens permissions or ask your Administrator for assistance.
Add the Control to a Screen
Package Required
A ProcessMaker Platform package is required to do this.
Permissions Required
Permissions are required to do this.
Design Best Practice
Avoid designing with more than 25 controls in one Screen.
Preview Multiple Files Uploaded from a Previous Task
See this example how to preview multiple files that have been uploaded from a previous Task in that Request.
Follow these steps to add this control to the Screen:
View the Screen page to which to add the control.
Drag the File Preview icon into the Screen Builder canvas. Existing controls on the Screen Builder canvas adjust positioning based on where you drag the control.
Configure the File Preview control. See Settings.
Validate that the control is configured correctly. See Validate Your Screen.
Below is a File Preview control in Preview mode.
Move the Control on the Page
See Move a Control on the Page.
Copy the Control with its Settings
Copying a control also copies the current settings of that control. The copied control displays below other controls placed on that Screen page.
Follow these steps to copy a control:
Select the control to be copied.
As a best practice, after copying a control, change the Variable Name setting value for the copied control to its own unique variable value. Otherwise, in-progress Requests that use this Screen read from and send data to both controls.
Delete the Control from a Screen
Deleting a control also deletes configuration for that control. If you add another control, it will have default settings.
Follow these steps to delete a control from a Screen page:
Select the control to be deleted.
Settings
The File Preview control has the following panels that contain settings:
Variable Panel Settings
Click the control while in Design mode, and then click the Variable panel that is on the right-side of the Screen Builder canvas.
Below is the setting for the File Preview control in the Variable panel:
Variable Name
Use the Variable Name setting value to reference this value in Visibility Rule setting expressions.
See best practices when editing a Request variable name.
Configuration Panel Settings
Click the control while in Design mode, and then click the Configuration panel that is on the right-side of the Screen Builder canvas.
Below is the setting for the File Preview control in the Configuration panel:
File Name
Advanced Panel Settings
Click the control while in Design mode, and then click the Advanced panel that is on the right-side of the Screen Builder canvas.
Below are settings for the Line Input control in the Advanced panel:
Visibility Rule
Note the following regarding how to use visibility rules:
To make this control hidden until another control contains a value, enter the Variable Name setting value of that control to this control's Visibility Rule setting.
Device Visibility
Select on which device types this control displays:
Desktop: The control displays only on desktop devices. Enable the Show for Desktop toggle key.
Mobile: The control displays only on mobile devices. Enable the Show for Mobile toggle key.
CSS Selector Name
See the following best practices regarding custom CSS in Screens:
Related Topics
Screen TypesScreen Builder ModesValidate Your ScreenGenerate Your Screen Using AI AssistantBootstrap Component Control SettingsBootstrap Wrapper Control SettingsCheckbox Control SettingsDate Picker Control SettingsFile Download Control SettingsFile Upload Control SettingsGoogle Places Control SettingsImage Control SettingsLine Input Control SettingsLoop Control SettingsMulticolumn / Table Control SettingsNested Screen Control SettingsPage Navigation Control SettingsPhoto/Video Control SettingsRecord List Control SettingsRich Text Control SettingsSaved Search Chart Control SettingsSelect List Control SettingsSignature Control SettingsSubmit Button Control SettingsTextarea Control SettingsExpression Syntax ComponentsValidation Rules for "Validation Rules" SettingsReference Magic Variables in ProcessMaker Platform AssetsLast updated