value 

<p>The value attribute represents the state of the variable. It can be:
  <ul>
    <li>either from a predefined set of string (P, S, etc.) which correspond to specific SBO terms (cf. SBGN specs),</li>
    <li>or any arbitrary string.</li>
  </ul>
</p>

Attribute Information

Used By

Element glyph/state

Source 

<xsd:attribute name="value" type="xsd:string" use="optional">
  <xsd:annotation>
    <xsd:documentation>
      <p>The value attribute represents the state of the variable. It can be:
        <ul>
          <li>either from a predefined set of string (P, S, etc.) which correspond to specific SBO terms (cf. SBGN specs),</li>
          <li>or any arbitrary string.</li>
        </ul>
      </p>
    </xsd:documentation>
  </xsd:annotation>
</xsd:attribute>

Sample