Creating Custom Fields with Piklist

/*
Title: My Metabox
Description: My cool new metabox
Post Type: my_post_type 
//if using a custom post type, enter the name of the post type above
*/

//field starts
piklist('field', array(
    'type' => 'text'
    ,'field' => '_crm_proposal_first_name' //(enter the field name you created earlier here, between the ' ')
    ,'label' => 'First Name' //(enter the field title you created earlier here, between the ' ')
    ,'description' => ''
    ,'value' => ''
    ,'help' => ''
    ,'attributes' => array(
      'class' => 'text'
    )
  ));
  // field ends
  
  piklist('field', array(
    'type' => 'text'
    ,'field' => '_crm_proposal_last_name' 
    ,'label' => 'Last Name'
    ,'description' => ''
    ,'value' => ''
    ,'help' => ''
    ,'attributes' => array(
      'class' => 'text'
    )
  ));