vc_el_id_render_filter

Filters the rendered HTML output of the el_id parameter type form field. This parameter type is used to create an input text field specifically for setting a custom element ID.

Parameters

Parameter	Type	Description
$value_output	string	The HTML output of the el_id parameter field, rendered from the params/el_id/template.php template.

Usage

add_filter( 'vc_el_id_render_filter', 'wpb_customize_el_id_field' );

function wpb_customize_el_id_field( $value_output ) {
    // Add a helpful description after the field
    $value_output .= '<p class="description">Enter a unique ID for this element.</p>';
    return $value_output;
}

Source

File: include/params/el_id/el_id.php