Syncs a specific tag to Infusionsoft based on the current registration status.

infustionsoft_paid_vs_reg_tags.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

add_filter( 'FHEE__EEE_Infusionsoft_Registration__sync_to_infusionsoft__infusionsoft_tags', 'jf_ee_infusionsoft_tag_reg_and_paid', 10, 2 );
function jf_ee_infusionsoft_tag_reg_and_paid( $tags, $registration ) {
    if( 
            $registration instanceof EE_Registration && 
            in_array( 
                    $registration->status_ID(),
                    array( 
                        EEM_Registration::status_id_approved 
                    ))) {
        //reg is approved, let's tag it paid!
        $tags[] = 119; // tag ID for paid, change this to match your account's tag
    } else {
        $tags[] = 117; // tag ID for registered, change this to match your account's tag
    }
    return $tags;
}