This article covers how to setup the Address Validation Melissa Express Entry Autocomplete Control on Microsoft Dataverse Model Driven forms. These steps must be done by an administrator or a user with system configuration privileges.

TABLE OF CONTENTS

Configure Express Entry Autocomplete on Model Driven Forms
Working with Advanced Settings
Visual Example in a Model Driven Form
Assign the required security privileges to users

Configure Express Entry Autocomplete on Model Driven Forms

Considerations for this article

To make the documentation simple, we have chosen to use the Account table with the "Address 1" columns as an example. The configuration is similar of other tables and columns, out of the box or custom.

In the Power Apps Maker Portal, find the solution containing the entities and forms for which you want to configure Melissa Express Entry Autocomplete control.
Open the Account table, and find the form you want to use Address Autocomplete on
Open the form you want to edit and click on “Switch to classic” in the command bar
In the classic configuration screen, add the Address Street Line 1 of the form and click on Change Properties in the ribbon to access the Field Properties screen.
In the “Display” area, uncheck the “Display label on form” checkbox
Next go the Controls Tab and add the control named "Melissa Data Express Entry Autocomplete" and select the devices where you want the control to be displayed.

Once you have selected the control, you need to provide a value for required properties (identified with a * in the table below); all the other properties are not mandatory :

Property	Description	Field Type
API Configuration Name *	This refers to your API Configuration unique record name.	Static Text Value
Advanced Setting ID	If you are using Advanced Control Settings, you need to put the Identifier of your Advance Setting record here.	Static Text Value
Display Address Fields	The control can display the address fields under the address search control. Set the value to YES to display these fields. This is a legacy feature. We recommend setting the value to NO and displaying individual address fields yourself.	Single Line of Text
Delivery Address	The first line of the delivery address returned.	Single Line of Text
Building	The name of the building attached to the address	Single Line of Text
Sub Building	The subdivided information within a single premise like suite or apartment.	Single Line of Text
Organization	The organization at the address (where available)	Single Line of Text
Locality *	The most common area value, also known as City or Canton.	Single Line of Text
Dependent Locality	The area smaller than locality (if necessary for the mailing address)	Single Line of Text
Administrative Area*	The Administrative Area of the address returned, also known as State or Province.	Single Line of Text
Postal Code	The full postal code, also known as Zipcode. Note : Melissa Express Entry returns the extended zip codes in the USA by default (commonly referred to as zip+4). See the Advanced Control Settings section if you need to disable this features.	Single Line of Text
Country *	The country of the output address in the format configured by the user. Note : the country is defaulted to its long name. If you want an ISO2 or ISO3 format, see the Advanced Control Settings section.	Single Line of Text
SubAdmin Area	The SubAdministrative area of the address returned, also known as County.	Single Line of Text
Full address	Column where you want to store the fully formatted address as a single line of text. Leave empty is you do not need this.	Single Line of Text
Latitude	The latitude of the output address.	Floating Point Number
Longitude	The longitude of the output address.	Floating Point Number
Default Country	When the form is loaded, this country will be selected by default. Enter one country's ISO 3166-1 alpha-2 code (i.e. US, CA, MX, etc.)	Static Text Value
Display Countries	List of countries that will be available in the user interface for selection. Type the countries using their ISO 3166-1 alpha-2 code (i.e. US, CA, MX, etc.). To display more than one country, type them by separating them with a comma "," without blank spaces (i.e. US,CA,MX).	Static Text Value
Top Countries	These countries will be pinned to the top of the list (most frequently used countries). Type the countries using their ISO 3166-1 alpha-2 code (i.e. US, CA, MX, etc.). To display more than one country, type them by separating them with a comma "," without blank spaces (i.e. US,CA,MX). To set a 'Default Country' or 'Top Country', it must first be added in the ‘Display Countries’ property as well. If a country is saved on the address column (by a background process) and it is not configured in the 'Display Countries' property, the data will be saved, but it will no appear in the address control.	Static Text Value

Click OK, save the form and publish it.
Open your account and test your control

Configuration steps using the Maker Portal (step by step)

Working with Advanced Settings

Advanced Control Settings allow administrators to configure additional parameters for the address autocomplete control. These parameters are useful for organizations that require their state or provinces to be captured in a specific format. For example, if ISO2 country codes are required, it can be specified in the advanced settings.

To get started, find the Advanced Settings by navigating to the Address Validation for Power Apps application and select the “Address Control Settings” menu. Click + New to create a new record.

Set the required values
- Identifier : Unique Identifier of the Setting. This will be used in the control's configuration on the form.
- API Type : Select Melissa
List of parameters available for Melissa :

Parameter	Possible Values	Description
Return PO Boxes	Yes / No	US Only. Enables autocomplete control to return PO Boxes along with addresses. By default, it is set to Yes (i.e. if no setting is present, PO Boxes are returned by Express Entry)
Include Extended Postal Code	Yes / No	Allows to add the +4 section of the zip code when available. By default, it is set to Yes (i.e. if no setting is present, extended postal codes are returned by Express Entry)
Country Display	Use ISO2 Country Code Use ISO3 Country Code *** Use Long Country Name	--> CA --> CAN --> Canada

Advanced Setting Screenshot

Important Note : these parameters are saved on your end-users' local cache. If you make changes to them, they will need to clear their browser cache for them to be reflected in their usage of Express Entry autocomplete in Dataverse.

Visual Example in a Model Driven Form

Assign the required security privileges to users

Once the configuration is completed, you need to assign the required security roles to your end users to allow them to use the autocomplete controls. Refer to this article for details on how to achieve this.