Data Input Blocks
Single Selector

Single Selector

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This article explains the features of the Single Selector block and how it can be used to design your app.

Single Selector Block is used for:

  1. Selecting ant one option from a pre-defined set of values.
  2. Making specific blocks appear as the user selects an option.

Editing the Single Selector block

Click on the block and configure it by editing on the right panel.


The label is the name of the block that the end user sees in the app.

Example: Gender. 


The description is the additional information provided to the end user which will be displayed below the input area.

Example: Select appropriately. 

This is how the Single selector block with the label and the description will look to the end user.

Default Value

This is the already selected option. End User can change and select their preferred option.


Add the options for the end user to select. Add an option and click enter to add another.


Change the appearances of the options as Chips or Standard

Chips Preview

Standard Preview


Enable this option if you want the user to compulsorily input the data. If enabled, the end user can submit if and only if the data is entered in this field.

Show Advanced Options

Enable this option to show the advanced options to configure the single selector text block.

Display this field if

Use this if you want to show or hide a field under certain conditions. It accepts the standard Clappia Formulae, similar to conditional sections.

  1. You can type ‘@’ to get a list of all the variables in the app and select variables.
  2. Using these variables you can write Excel-like formulae.

Example: When the end user inputs a name, you can show the Select Gender block.

Allow value to be changed after initial submission

This option is enabled by default. End users can edit and change the selected option after creating a submission. Disable it if you do not want the end users to change the selected option.