WordPress at a glance
filter is not described

customize_dynamic_partial_args filter-hook . WP 1.0

This filter is documented in wp-includes/customize/class-wp-customize-selective-refresh.php

Usage

add_filter( 'customize_dynamic_partial_args', 'filter_function_name_6709', 10, 2 );
function filter_function_name_6709( $args, $id ){
	// filter...

	return $args;
}
$args
-
$id
-

Where the hook is called

WP_Customize_Selective_Refresh::add_partial()
customize_dynamic_partial_args
WP_Customize_Selective_Refresh::add_dynamic_partials()
customize_dynamic_partial_args
wp-includes/customize/class-wp-customize-selective-refresh.php 101
$args = apply_filters( 'customize_dynamic_partial_args', $args, $id );
wp-includes/customize/class-wp-customize-selective-refresh.php 234
$partial_args = apply_filters( 'customize_dynamic_partial_args', $partial_args, $partial_id );

Where in WP core the hook is used WordPress

wp-includes/customize/class-wp-customize-selective-refresh.php 70
add_filter( 'customize_dynamic_partial_args', array( $this, 'customize_dynamic_partial_args' ), 10, 2 );
wp-includes/customize/class-wp-customize-selective-refresh.php 127
add_filter( 'customize_dynamic_partial_args', array( $this, 'customize_dynamic_partial_args' ), 10, 2 );