Description
Use this filter to change the resume link generated when an incomplete submission is saved.
Usage
add_filter( 'gform_save_and_continue_resume_url', 'your_function_name', 10, 4 );
Parameters
- $resume_url string
 The current resume url.
- $form Form Object
 The form that is currently being processed.
- $token string
 The unique token generated when the incomplete submission was saved.
- $email string
 The email the resume link will be sent to.
Examples
1. Override the resume url
This example shows how you can change the resume url.
add_filter( 'gform_save_and_continue_resume_url', function( $resume_url, $form, $token, $email ) {
    return str_replace( 'http:', 'https:', $resume_url );
}, 10, 4 );
2. Remove query arguments from url
add_filter( 'gform_save_and_continue_resume_url', function( $resume_url, $form, $token, $email ) {
    // remove specific query arg
    //$resume_url = remove_query_arg( array( 'boom' ), $resume_url );
 
    // remove ALL query args
    $resume_url = add_query_arg( array( 'gf_token' => $token ), array_shift( explode( '?', $resume_url ) ) );
 
    return $resume_url;
}, 10, 4 );
3. Require login
add_filter( 'gform_save_and_continue_resume_url', function( $resume_url ) {
    return wp_login_url( $resume_url );
} );
Placement
This code should be placed in the functions.php file of your active theme.
Source Code
This filter is located in GFFormDisplay::replace_save_variables() in form_display.php.