Glide Form Methods in ServiceNow

[Dinesh Kumar11]

What is Glide Form and usage (g_form):

The Glide Form is client-side API, mainly used to change default behavior of the current record.

Glide Form methods are only running on the client side (Browser).

The global object g_form is used to access Glide Form methods.

These methods are used to make custom changes to the form view of records. All validation of examples was done using Client Scripts.

g_form methods frequently using in Client Scripts.

g_form methods can use in catalog client script too.

Glide Form Methods

Glide Form Methods
setValue()	getFormElement()
getValue()	getSection()
addOption()	getTableName()
removeOption()	getUniqueValue()
addInfoMessage()	hideRelatedLists()
addErrorMessage()	isMandatory()
clearMessage()	save()
clearOptions()	submit()
disableAttachments()	setDisabled()
enableAttachments()	setDisplay()
Flash()	setMandatory()
getActionName()	setVisible()
getControl()	setReadOnly()
getElement()	setSectonDisplay()
showErrorBox()	showRelatedList()
showFieldMsg()	showRelatedLists()
addDecoration()	isNewRecord()
removeOption()	hideFieldMsg()

Glide Form Exercises

Navigate Incident table.

Open one existing record

Click on Ctrl+Shift+j 

Open Java Script Executor

Run our code here.

1) Working with getValue() method

This method is used to get specific field value from current form.

alert(g_form.getValue('category')); //Alert is used to print the output

2) Working with setValue() method Sets the value of specific field.   

 alert(g_form.getValue ('category')); 

g_form.setValue('category’, ‘hardware');

3) Working with setDisabled() method This method is used to field make Read only.

g_form.setDisabled('category’, true);

Note: UI Policy is best practice instead of using this method

4) Working with setMandatory() method

This method is used to a field make Mandatory.

g_form.setMandatory('category’, true);

Note: UI Policy is best practice instead of using this5. 

5) Working with setDisplay() method

This method is used to Hide and Un hide specific fields.

g_form.setDisplay('business_service' , false);

g_form.setDisplay('business_service' , true);

6) Working with setVisible() method

This method is used to Hide field and maintain the space

g_form.setVisible('subcategory’, false);

7) Working with isMandatory () method

Defines whether the field is mandatory and must contain a value before the record can be saved or submitted display bullion (True/False).

g_form.isMandatory('category');

😎 Working with addInfoMessage() method

Add information message on top of the form

g_form.addInfoMessage (‘please fill all mandatory fields');

9) Working with addErrorMessage() method

Add an error message on top of the form

g_form.addErrorMessage('Fill mandatory fields');

10)Working with disableAttachments() method

Prevents the user attachment icon being hide

g_form.disableAttachments ();

11) Working with enableAttachments() method

Allows customer file attachments to be added. Shows the paper clip icon.

 g_form.enableAttachments ();

12) Working with clearMessages () method

Removes all informational and error messages from the top of the form.

g_form.addInfoMessage () and g_form.addErrorMessage ().

g_form.clearMessages ();

13) Working with addOption() method

Add a new choice to respective field depends on requirement

g_form.addOption('priority', '6', '6 - Really Low');

14) Working with removeOption() method

Remove a choice from respective field depends on requirement.

g_form.removeOption('impact', 4);

15) Working with clearOptions() method

Removes all options from the choice list.

g_form.clearOptions('category');

16) Working with clearValue() method

Remove value from specific field on the form.

g_form.clearValue('category');

17) Working with hideRelatedLists() method

This method will hide all related lists on form

g_form.hideRelatedLists();

18) Working with showRelatedLists() method

This method will show all related lists on form

g_form.showRelatedLists();

19) Working with isNewRecord() method

If record is new true the record has never been saved.

g_form.isNewRecord();

20) Working with showFieldMsg() method

This method will display Informational or Error or Warn message under the specified form field (either a control object or the name of the field). If the control or field is off the screen, the form is scrolled to the field.

The showErrorBox() method is an alternate method that does not require the type parameter.

g_form.showFieldMsg('cmdb_ci','Atleast select one service app','info');

21) Working with hideFieldMsg() method

This method will hide the last message placed by showFieldMsg().

When true, all messages for the field are cleared. When false, only the last message is removed.

g_form.hideFieldMsg('impact')//Only the last message is removed.

g_form.hideFieldMsg('impact', true);//When true, all messages for the field are cleared

22) Working with hideRelatedList() method

Hides the specified related list on the form.

g_form.hideRelatedList('incident'); //Pass related list table name

23) Working with showRelatedList() method

Hides the specified related list on the form.

g_form.showRelatedList('incident'); //Pass related list table name

24) Working with getSections() and setSectionDisplay() method

Display an array of the form's sections, which are available.

Function onChange (control, oldValue, newValue, isLoading) {
//this example was run on a form divided into sections (Change form)
// and hid a section when the "state" field was changed 
var sections = g_form.getSections();
if (newValue == '2') {
 g_form.setSectionDisplay(sections[1], false);
} else { 
g_form.setSectionDisplay(sections[1], true);
}
}

25) Working with getTableName() method

Returns the name of the table to which this record belongs.

alert (g_form.getTableName());

26) Working with getUniqueValue() method

It will return the sys_id of the record displayed in the form.

alert (g_form.getUniqueValue());

27) Working with addDecoration() method

Adds an icon on a field’s label.

Adding the same item twice is prevented; however, you can add the same icon with a different title.

g_form.addDecoration('caller_id', 'icon-star', 'Mark as Favorite', 'color-green');

28) Working with flash() method

This method is used to Flashes the specified color for a specified duration of time in the specified field.

g_form.flash(‘incident.number’, ‘#FFFACD’, 0);

[SreenivasN]

@Dinesh Kumar11 If we have a mandatory field in the form and when we try resolving the form without entering the information in the mandatory, it shows an error pop up, using the g_form can we scroll down and show the mandatory field which has to be filled?

[Ekklavyarajaram]

thanks for sharing @Dinesh Kumar11 

[AswinA049750390]

thanks for sharing @Dinesh Kumar11