Hi, yes, you can use the max-length attribute.       max-length - (optional) The maximum length of the input content allowed in the text input. Example:   <field name="your_string" type="string" max-length="15">    <label>Max chars = 15</label> </field>   Cheers and good luck, ... View more

Hi, There are multiple options for you to do it. But there isn’t a direct way for doing it based on a ‘<on-change>’ event, as you can do for the <set-visible> or <set-required> elements, for example. Examples: 1- <field name="readonly1" readonly="true"> 2- <field name="readonly2" readonly="isScreenReadOnly()"> 3- <field name="readonly3" readonly="incidentStatus = 'validated'"> 4- The dynamic tricky way needs to use an additional field:   <field name="x_aux1">    <label>x_aux1</label>    <on-change>       <set-value name="temp.x_flg" value="true"/>    </on-change>   </field>   <field name=" temp.x_flg" type="boolean">    <label>x_flg</label>   </field>   <field name="readonly4" readonly="temp.x_flg"> Cheers and good luck, ... View more