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29. Multiselect

'multiselect' => array(
'type' => 'multiselect',
'label' => esc_html__( 'Multiselect', 'my-domain' ),
'options' => array(
array(
'label' => 'My super title 1',
//You can add any data you need to save as key => value
),
array(
'label' => 'My super title 2',
),
)
),
If you have same elements in one list of options, you have to add unique selector and specify it in config under key track_by
'multiselect_2' => array(
'type' => 'multiselect',
'label' => esc_html__( 'Multiselect', 'my-domain' ),
'options' => array(
array(
'label' => 'My super title 1',
'value' => '1'
),
array(
'label' => 'My super title 1',
'value' => '2'
),
),
'track_by' => 'value'
),