Filter Hooks

Fluent Forms Core 331 Filters

Fluent Forms provides filter hooks that let you modify data and behavior. Filters receive a value, let you change it, and return the modified result. They are organized by category below.

Categories

Category	Filters	Description
Submission	44	Modify submission data, responses, and entries
Form	49	Modify form rendering, validation, and fields
Settings	43	Modify admin settings and permissions
Integration	27	Modify integration feeds and notifications
Miscellaneous	57	File uploads, analytics, permissions, shortcodes
Email	26	Modify email notifications and templates
File Uploader	9	Modify file upload validation and paths
Quiz	6	Modify quiz results and scoring
User Registration	10	Modify user registration fields and roles
Webhook	5	Modify webhook request arguments
Payment	55	Modify payment processing and gateway settings

Quick Example

// Modify submission data before it's saved to the database
add_filter('fluentform/insert_response_data', function ($formData, $formId, $inputConfigs) {
    // Add a custom field value
    $formData['custom_field'] = 'custom_value';

    return $formData;
}, 10, 3);