Enforces a minimum 50 point transfer requirement when using the mycred_transfer shortcode.

transfer-minimum-requirement

/**
 * Minimum Transfer Requirement
 * Force users to transfer a minimum amount of points
 * when using the mycred_transfer shortcode.
 * @version 1.0
 */
add_action( 'mycred_transfer_ready', 'mycred_min_transfer_req', 10, 2 );
function mycred_min_transfer_req( $transaction_id, $post ) {

	// Get amount
	$amount = abs( $post['mycred-transfer-amount'] );

	// Example: Minimum 50 points
	if ( $amount < 50 )
		die( json_encode( 'low_amount' ) );

}

/**
 * Add Custom Transfer Message
 * Add a custom transfer message when a user transfers
 * to low amount.
 * @version 1.0
 */
add_filter( 'mycred_transfer_messages', 'mycred_pro_custom_transfer_messages' );
function mycred_pro_custom_transfer_messages( $messages ) {

	$messages['low_amount'] = 'You must transfer minimum 10 points.';
	return $messages;

}