Form Attachment Filename Calculation | ArcGIS Arcade

Since version: 1.36

With the Form Attachment Filename Calculation profile, expressions can be written to update a form attachment filename based on expression logic. This profile is used when defining form calculations in Field Maps, allowing authors to override the default attachment filename.

Context

The following products implement this profile:

ArcGIS Online
ArcGIS Field Maps
ArcGIS Maps SDKs for Native Apps

Spatial reference

The spatial reference of the map in which the expression executes determines the execution context's spatial reference.

Time zone

The time zone of the map in which the expression executes determines the execution context's default time zone.

Profile variables

Variable Name	Type	Description
$feature	Feature	Exposes the feature's attributes for use in the calculation.
$originalFeature	Feature	The previous state of the feature being calculated.
$layer	FeatureSet	A collection of features in the same layer as `$feature`.
$datastore	FeatureSetCollection	A collection of layers in the same feature service or database as `$feature`.
$featureSet	FeatureSet	A collection of features in the same table as `$feature`.
$map	FeatureSetCollection	A collection of feature service layers in the same map as `$feature`.
$formElement	Dictionary	The properties available from the form element, as defined in the table below.

Properties of $formElement:

Variable Name	Type	Description
attachmentKeyword	Text	The attachment keyword associated with the form element.
label	Text	The label of the form element.
description	Text	The description of the form element.

Function bundles

Core | Geometry | Data Access | Database | Portal Access

Return types

Text

Example

Returns the attachment keyword appended with the current date and time.

Use dark colors for code blocksCopy
var keyword = IIf(!IsEmpty($formElement.attachmentKeyword), $formElement.attachmentKeyword, 'none');
var currentDate = Text(Now(),'YMMDDHHMMSS');
var attributes = [keyword, currentDate];

return Concatenate(attributes,"_");