how to populate dynamic dropdown based on the values in textfield in dialog.

[amangoyal15]

I am getting array of dynamic values in textfield based on some selection .Now i want to use these dynamic values to populate in dropdown. How can i do this.Please assist me on this.

[smacdonald2008]

To do this - you need to write a custom xtype - see this article to point you in the right direction: 

https://helpx.adobe.com/experience-manager/using/dynamically-updating-aem-custom-xtype.html

Hope this helps.... 

[kautuk_sahni]

Adding one more Helpx article for your reference :-

Link:- https://helpx.adobe.com/aem-forms/6/dynamically-populate-dropdowns.html

// Dynamically populating drop-down lists

~kautuk