functions.php

<?php

// Add filter to call our custom function when setting up dropdown of output locations
add_filter( 'field_editor_output_options', 'my_custom_output_options', 10, 2 );

/**
 * Add Custom Auto Output Locations for WPJM
 *
 * This custom function will add to the end of an array, a new set of output locations
 * that will be visible in the WP Job Manager Field Editor auto output dropdown.
 *
 * To keep things organized, you should add a separator as the first:
 *
 * $my_output_locations = array(
 *     'single_job_listing_my_separator' => '---' . __( 'My Separator' ),
 *     'single_job_listing_my_custom_loc_1' => __( 'Single Job Listing Location 1' ),
 * );
 *
 * And then you MUST merge the new array you created, with the existing one:
 *
 * $output_options = array_merge( $output_options, $my_output_options );
 *
 * Then return the merged array:
 *
 * return $output_options'
 *
 * If you're using WP Job Manager Field Editor version 1.3.8 or older, you will need to manually modify the file
 * located at /plugins/wp-job-manager-field-editor/classes/auto-output.php on line #62, change this:
 *
 * add_action( 'plugins_loaded', array( $this, 'add_actions' ) );
 *
 * to this
 *
 * add_action( 'after_theme_setup', array( $this, 'add_actions' ) );
 *
 * Then make sure you have added your custom output to the template file, where you want it to output, like this:
 *
 * do_action( 'single_job_listing_my_custom_below_header' );
 *
 * @param   array   $output_options     Array of default output locations
 * @param   string  $list_field_group   Type of field group the options are for (job, company, or resume_fields)
 *
 * @return array
 */
function my_custom_output_options( $output_options, $list_field_group ) {

	// Add output locations for Job and Company fields (they use same template files)
	if( $list_field_group == 'job' || $list_field_group == 'company' ){

		$my_output_options = array(
			'single_job_listing_my_custom_locations'    => '---' . __( "My Job Locations" ),
			'single_job_listing_my_custom_below_header' => __( 'Single Job Below Header' ),
			'single_job_listing_my_custom_right_widget' => __( 'Single Job Right Widget' ),
			'single_job_listing_my_custom_left_widget'  => __( 'Single Job Left Widget' ),
		);
	// Add output locations for Resume fields ( change to $my_output_options = array(); to not add any for resumes)
	} elseif( $list_field_group == 'resume_fields' ){

		$my_output_options = array(
			'single_resume_my_custom_locations'    => '---' . __( "My Resume Locations" ),
			'single_resume_my_custom_below_header' => __( 'Single Resume Below Header' ),
			'single_resume_my_custom_right_widget' => __( 'Single Resume Right Widget' ),
			'single_resume_my_custom_left_widget'  => __( 'Single Resume Left Widget' ),
		);
	// Otherwise set the array to empty as we don't have any custom output locations to add
	} else {

		$my_output_options = array();

	}

	// We MUST merge the new array with the old one
	$output_options = array_merge( $output_options, $my_output_options );

	return $output_options;
}