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Getting started Quickstart First CRUD App Core Concepts Core versions
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Cluster

Getting Access User Access User Roles Explained Token Device Data Deployment Usage Build Your First API API Guide API's
api-history audit-logs authentication authentication-groups blueprint-action-types blueprint-actions blueprint-activity blueprint-changes blueprint-comments blueprint-components blueprint-events blueprint-fields blueprint-flows blueprint-tags blueprint-templates blueprint-validation blueprints cache-management cluster-statistics entity-management feedback ip-management language language-management languages local-devices node-settings password-reset queue react-components redis-keys settings storage storage-events system system---languages system-assets system-hints system-information system-key-value system-logs system-nodes system-security system-storages system-threads system-upgrades system-users user-activity user-groups user-logs users well-known

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Blueprints

Introduction Tips & tricks Best Practices Common Blueprint Patterns Block Execution Object References Locking & Concurrency Storages Storage Events Storage Examples Repeating Events Queue Assets System Settings System Settings Reference Common pitfals Precompiling Remote access control

Tutorials

Building User Authentication Creating a REST API Dashboard with Charts File Upload & Processing Email System Setup Third-Party Integrations

Examples

Simple Blog E-Commerce Catalog User Management Booking System Inventory Tracker Task Management

Reference

Block Quick Reference API Endpoint Reference System Settings Quick Ref Component Props Reference Error Code Reference

Architecture

Choosing Your Approach Version Management

Troubleshooting

Common Issues & Fixes Debugging Blueprints

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React Native
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cardinality

This block is part of the aggregation group and was last modified in core v10.4.28.

cardinality v10.4.28

Counts the approximate number of distinct values for the specified field.

unique on field
distinct

Core Releases

v10.4.28 This block was introduced in v10.4.28, click here to see the release notes.
Back to aggregation Return to the main group to view all sub-groups Back to aggregation Return to the group to view all blocks within this group

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