Client Scripting reference powerapps

1. Get formcontext from execution Context

var formContext = executionContext.getFormContext();

2. Show/Hide field

//Show

formContext.getControl("fieldname").setVisible(true);

//Hide

formContext.getControl("fieldname").setVisible(false);

3. Set requirement level

//required

formContext.getAttribute("fieldname").setRequiredLevel("required");

//recommended

formContext.getAttribute("fieldname").setRequiredLevel("recommended");

//Optional

formContext.getAttribute("fieldname").setRequiredLevel("none");

4. Set enable/disable field

//Disbale

formContext.getControl("fieldname").setDisabled(true);

// Set field enable

formContext.getControl("fieldname").setDisabled(false);

5. Show/Hide tab

//show tab

var tab1 = formContext.ui.tabs.get("tabname");

tab1.setVisible(true);

// Hide tab

var tab2 = formContext.ui.tabs.get("tabname");

tab2.setVisible(false);