Dropdown

‌Dropdown is used to capture user input/s from a specified list of permitted inputs. A Dropdown can capture a single choice as well as multiple choices

Filtering Data
A Dropdown can be used to filter a dataset based on users input. The selected option value can be passed to an API using{{ dropdownName.selectedOptionValue }} for single select Dropdowns and {{ dropdownName.selectedOptionValueArr }} for multi select Dropdowns.
Form Submission
Dropdown widgets can be used to capture from a fixed set of options inside a form such as gender, role, status. 
Some forms need to be pre-filled data from a table or API. We can bind the data to the default text property to enable this
{{ Table1.selectedRow.gender }}
/**
* Binding this to the default option will update the selected option 
* of the dropdown with the gender of the selected row in Table1
*/
Read more about submitting Input data to an API below
​Sending widget data in post body​
Properties
Internal Property
Description
selectedOptionValue
This is the value of the option that is displayed in a single select dropdown. This value changes if the default value of the dropdown changes or the user selects an option
selectedOptionValueArr
This is an array of values of the options that are displayed in a multi select dropdown. This value changes if the default values of the dropdown change or the user changes an option selection
Property
Description
Label
Sets the label of the dropdown.
Selection Type
Lets you control whether you want the dropdown to be a Single Select or a Multi Select dropdown. Single Select allows users to choose only one value from the list of options whereas Multi Select allows for selection of more than one value by the user.
Options
Lets you set labels and values for different items/options in the list of the dropdown widget. Options must be specified as an array of objects with a label and value property.
Default Option
Sets a default option that will be captured as user input unless it is changed by the user. Multiple values can be provided as CSV or an array of value string for a multi select dropdown.
Required
When turned on, it makes a user input required and disables any form submission until an input is made. 
Visible
Controls widget's visibility on the page. When turned off, the widget will not be visible when the app is published 
Action
Description
onOptionChange
Sets the action to be run when a user changes an option. Default supported actions are: Call API, Navigate to Page, Navigate to URL or Show Alert.

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Internal Property	Description
selectedOptionValue	This is the value of the option that is displayed in a single select dropdown. This value changes if the default value of the dropdown changes or the user selects an option
selectedOptionValueArr	This is an array of values of the options that are displayed in a multi select dropdown. This value changes if the default values of the dropdown change or the user changes an option selection

Property	Description
Label	Sets the label of the dropdown.
Selection Type	Lets you control whether you want the dropdown to be a Single Select or a Multi Select dropdown. Single Select allows users to choose only one value from the list of options whereas Multi Select allows for selection of more than one value by the user.
Options	Lets you set labels and values for different items/options in the list of the dropdown widget. Options must be specified as an array of objects with a label and value property.
Default Option	Sets a default option that will be captured as user input unless it is changed by the user. Multiple values can be provided as CSV or an array of value string for a multi select dropdown.
Required	When turned on, it makes a user input required and disables any form submission until an input is made.
Visible	Controls widget's visibility on the page. When turned off, the widget will not be visible when the app is published

Action	Description
onOptionChange	Sets the action to be run when a user changes an option. Default supported actions are: Call API, Navigate to Page, Navigate to URL or Show Alert.