item_reference

<em>, <strong>, <u>, <p>, <br>, <ul>, <ol>, <li>, <dl>, <dt>, <dd>, <img>, <table>, <thead>, <tbody>, <tfoot>, <tr>, <th>, <td>, <sub>, <sup>, <small>

<a>, <abbr>, <address>, <article>, <area>, <aside>, <blockquote>, <br>, <caption>, <cite>, <code>, <col>, <colgroup>, <dd>, <div>, <dl>, <dt>, <em>, <figure>, <figcaption>, <footer>, <h1>, <h2>, <h3>, <h4>, <h5>, <h6>, <hgroup>, <header>, <hr>, <img>, <li>, <main>, <map>, <nav>, <ol>, <p>, <pre>, <q>, <section>, <small>, <strong>, <sub>, <sup>, <table>, <tbody>, <td>, <tfoot>, <th>, <thead>, <time>, <tr>, <u>, <ul>

• rubric_reference: Unique identifier for the rubric to be used with the Questions API - defaults to course rubric if assigned in activity
• sample_answer: A sample answer to be displayed on the Learnosity dashboard. HTML is supported