gform_salesforce_object_data

add_filter( 'gform_salesforce_object_data', 'your_function_name', 10, 4 );

add_filter( 'gform_salesforce_object_data_123', 'your_function_name', 10, 4 );

// Set LeadSource before sending to Salesforce for all forms
add_filter( 'gform_salesforce_object_data', function( $body, $form, $entry, $feed ) {

    // Log the initial state of the $body before modifications
    gf_salesforce()->log_debug( 'gform_salesforce_object_data: Original Salesforce object data: ' . print_r( $body, true ) );

    // Log form and entry IDs.

    gf_salesforce()->log_debug( 'gform_salesforce_object_data: Processing form ID ' . $form['id'] . ' and entry ID ' . $entry['id'] );
	
    $body['LeadSource'] = 'Website';

    // Log the modified $body before returning it
    gf_salesforce()->log_debug( 'gform_salesforce_object_data: Final Salesforce object data: ' . print_r( $body, true ) );

    // Always return the body
    return $body;

}, 10, 4 );

add_filter( 'gform_salesforce_object_data', 'salesforce_campaignmember_relationship', 10, 4 );
function salesforce_campaignmember_relationship( $body, $form, $entry, $feed ) {
    //Ensure that this only applies to a specific form.
    if ( $form['id'] != '318' ) {
        return $body;
    }

    //Ensure that this only applies to a specific feed.
    if ( $feed['id'] != '1370' ) {
        return $body;
    }

    //Identify which Salesforce Object Fields the entry field values are mapped into.
    $body['CampaignId'] = rgar( $entry, '28' );
    $body['ContactId'] = rgar( $entry, '32' );

    return $body;
}