Add a name for an attachment to a pop-up in ArcGIS Online

Summary

When adding features with photo attachments to a map, the pop-up can be configured to display the attachments by selecting the Gallery option in the 'Display attachment as' pop-up setting. However, when selecting the Gallery option, no attachment name is displayed. As a solution, the attachment title can be specified and displayed on the pop-up in the Title section of the settings. Another alternative is to use an Arcade expression to specify the name as the attachment title in the pop-up, and this article describes the workflow.

The following image shows an attachment without the title in the pop-up.

Procedure

1. In ArcGIS Online, open the desired data in Map Viewer. This workflow uses Rest Canopy as an example.
2. In Map Viewer, on the Contents (light) toolbar, click Pop-ups.

3. On the Pop-ups pane, under Options, click Attribute expressions.

4. Click Add expression.

5. Insert the scripts described below into the expression textbox.

• For a single attachment, insert the following script.

var Attachment_name = Attachments($feature)
Attachment_name[0].name

• For multiple attachments, insert the following script.

var Attachmentname = Attachments($feature)
var namelist = [];
for (var a in Attachmentname){ 
    Insert(namelist,a, Attachmentname[a].name )
}
return namelist

6. Click Done.
7. Return to the Pop-ups pane and scroll down to Attachments.
8. Under Title, click the Add field icon next to the Title textbox.
9. Select the expression created in Step 5. The attachment now includes the attachment filename in the pop-up.

The following image shows the attachment with the title in the pop-up.