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Tags

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

Use Cases

Categorizing inventory items, products, or employees with multiple labels.
Assigning tags for filtering tasks, projects, or customer requests.
Allowing users to add custom tags to personalize their inputs.

Editing the Block

Click on the Tags block and start editing on the panel that appears on the right side.

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Label

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

Description

The description is the additional information provided to the end user, which will be displayed below the field.
Example: Select appropriate tags from the list or add your own.

Tag Names

Use this option to provide a predefined list of tags for the users. List them one after the other and ensure there are no spaces before or after each word. Remove the default options that appear once the block is added and add in your own.
Example: IT Equipment, Furniture, Stationery, etc. for an inventory tracker app.

Required

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.

Advanced Options

Click this tab to show the advanced options to configure the Tags block.

Display this field if

Use this option to show or hide the field under specific conditions. It accepts the standard Clappia formulae, similar to conditional sections or in the ‘Calculations & Logic’ block.

Type @ to get a list of all the fields you have added in the app and select the relevant field or type @ followed by the field name.

Use these field variables to write spreadsheet-like formulae for conditional display of the field in the app.

Retain value if hidden

This option appears once a condition is set in the "Display this field if" option. Enable this setting if you want the field's value to be retained even when the field is hidden. This is useful for preserving user input in cases where the field may temporarily disappear based on conditions.

Allow value to be changed after initial submission

This option is enabled by default. End users can edit and change the selected tags after creating a submission. Disable it if you do not want the end users to change the selected tags.
Example: If the end-user has added 3 tags and created a submission, the end user can go to the submission and add or remove tags as needed.

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Advanced Label

The Advanced Label option allows you to change the label of a field dynamically based on a condition you define. Instead of always showing the same fixed label under the ‘Basic’ tab, the field can display different labels depending on requirements of the form. Use spreadsheet-like functions such as IF, AND, OR, etc. and make use of other field variables to set your conditions. Type @ and select the field.

This is useful when the meaning of a field changes based on context, business logic, or user choices.

For example:
If you have a dropdown named Label Type with options “Product Tags” and “Service Tags”.
The Tags block should update its label accordingly.

So:
– If Product Tags, show “Add Product Tags”
– If Service Tags, show “Add Service Tags”

Formula:

IF({label_type} = "Product Tags", "Add Product Tags", "Add Service Tags")

This allows the same field to adapt its displayed purpose without needing multiple separate fields.

Advanced Description

The Advanced Description option works exactly like Advanced Label, but it changes the description text instead. This is useful when guidance or instructions for a field need to change depending on earlier answers.

For example, using the same scenario from Advanced Label:
If you have a dropdown called Label Type with options like “Product Tags” and “Service Tags”, you may want the description of your Tags field to guide the user differently depending on what they selected.

So:
– If the user selects Product Tags, the description could say: “Add tags that describe the product attributes.”
– If the user selects Service Tags, the description could say: “Add tags that describe the service characteristics.”

Formula:

IF({label_type} = "Product Tags", "Add tags that describe the product attributes.", "Add tags that describe the service characteristics.")

This helps users understand what is required from them without showing unnecessarily long or irrelevant instructions.

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Additional Examples (Apply to Both Advanced Label and Advanced Description)

1. Showing nothing until a selection is made

For example, if you have a dropdown field called Visit Category with options “Routine” and “Urgent”, you may want the label or description of a field to remain blank until the user first selects a category.

Once a selection is made:

If the user chooses Routine, the field will display “Routine”.
If the user chooses Urgent, the field will display “Urgent”.

Formula (can be used in either Advanced Label or Advanced Description):

{visit_category}The label/description stays empty until the dropdown has a selected value.
After the user picks an option, the selected text (Routine or Urgent) becomes the label or description.

2. Changing label/description based on language selection

For example, if your form includes a dropdown field called Select Language with options English, Spanish, and French, you can show the label or description in the selected language.

So:

If the user selects English, show English text.
If the user selects Spanish, show Spanish text.
If the user selects French, show French text.

Formula (can be used in either Advanced Label or Advanced Description):

IF({select_language} = "English", "Enter details", IF({select_language} = "Spanish", "Ingrese detalles", "Entrez les détails"))The formula returns the text for the selected language.
Only one label/description is shown at a time, depending on what the user picks in the Select Language dropdown.

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Important Notes (applies to both Advanced Label and Advanced Description)

1. Variables do not change
When a field is created, its variable name is derived from the label you set in the Basic tab. That variable name is what you must use in formulas, workflows, and other logic. The visible label or description shown by Advanced Label / Advanced Description does not change the variable name.

2. Submissions tab: table view vs right panel
In the Submissions area, the table view always displays the labels from the Basic tab. When you open an individual submission, the right panel shows the labels and descriptions as they appear in the form (i.e., the Advanced Label and Advanced Description applied for that submission). This keeps the submission list consistent while letting reviewers see the context-aware labels and descriptions when viewing a record.

3. Bulk Edit shows Basic tab labels and descriptions
When you need to Bulk Edit submissions, the spreadsheet you download shows the labels and descriptions from the Basic tab only. Advanced Label and Advanced Description are not applied in Bulk Edit, so keep that in mind when preparing bulk updates.

4. Some fields cannot be used inside Advanced Label/Description formulas
Certain block types do not expose a variable that can be referenced in Advanced Label or Advanced Description. If a block does not expose a variable, you cannot use it inside the formula.

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PaymentGateway

Audio

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AI Block

Text, HTML & Embedding

Attached Files

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Code block

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Action Button

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Using the Block in App Home

Users can select tags that admins have configured in the Design App. Additionally, users can type to search for tags or create new ones if the desired tag does not exist in the list. This feature differentiates itself, for example, from the Multiple Selector block, as it allows adding and managing tags dynamically, rather than restricting users to predefined options.