Yes - you can.
Following are steps to create a custom list from Salesforce based on a text field:
| 1- | Set up some test data in your Salesforce account: - Create a new account called: Test Copy its Account ID from the URL - you will need it later...  - Enter this list in the Account Description field value (or any other text field): Red;Green;Blue;Yellow;Pink;Purple Make sure your list items are separated by semicolons, like this:  |
2- |
Drag a Dropdown element into your form  |
3- |
Remove the dropdown’s default items before drawing the items from SF. Simply select the dropdown on canvas - delete all of the choices and turn off the “Add other” checkbox.  |
| 4- | Set up the Get integration - Authenticate with Salesforce - Select object “Account” - Turn on the ‘Execute on form load’ checkbox  - Set condition: Account ID Equals Other: Id of your test account (in my example the id is: 0015800001V61YH)  - Map fields: Dropdown → Account Description - Press ‘Apply’.  |
5- |
Select the dropdown on canvas, Go to Properties panel > Element tab > Settings option > ‘Advanced’ category and turn on the ‘Load custom List’ checkbox.  |
6- |
Save the form and test it Publish form as URL and open the dropdown - you will see your list in it.  |
Watch the video |