Courses Loop - orderby Progress percentage field:

Markup:

orderby_field="course_progress_percent", user_field="learndash_enrolled" :

  <Loop type=learndash_course  orderby_field="course_progress_percent" order="desc">
    <If user_field="learndash_enrolled" is value="true">
      <p>
        <h4><Field title /></h4>
      <p>
        <div>Progres: <Field course_progress_percent /></div>
        <div>
          <If field="course_status" is value="open">
            <Field course_last_activity /> Steps - Not Started
            <Else />
            Last activity on: <Field course_last_activity />
          </If>
        </div>
      </p>
    <Else/>
      <h4><Field title /></h4>
      NOT ENROLLED
    </If>
  </Loop>

Courses Loop - orderby Students number field:

Markup:

orderby_field="course_students_number":

  <Loop type=learndash_course orderby_field="course_students_number" order="desc">
    <p>
    <h4><Field title /></h4>
    <p>
    <div>Number of students: <Field course_students_number /></div>
    </p>
  </Loop>
  <p></p>

Courses Loop - orderby Course price field:

Markup: orderby_field="course_price":

  <Loop type=learndash_course orderby_field="course_price" order="desc">
    <p>
    <h4><Field title /></h4>
    <p>
    <div>Course price:<Field course_price_currency /> <Field course_price /></div>
    </p>
  </Loop>
  <p></p>

Courses Loop - Course last activity field:

Markup: orderby_field="course_price":

  <Loop type=learndash_course orderby_field="course_last_activity" order="desc">
    <p>
    <h4><Field title /></h4>
    <p>
      <If field="course_status" is value="open">
        <Field course_last_activity /> Steps - Not Started
        <Else if field="course_status" is value="locked"/>
        No Access
        <Else />
        Last activity on: <Field course_last_activity />
      </If>
    </p>
  </Loop>
  <p></p>