GlideForm (g_form) Cheat Sheet for ServiceNow Devs

 ‣ Hide/Display Variable
g_form.setDisplay(<field_name>, true/false); 


‣ Disable a field
g_form.setDisable(<field_name>, true/false);


‣ Make Field Read-only
g_form.setReadOnly(<field_name>, true/false);


‣ Clear Value from Field
g_form.clearValue(<field_name>);


‣ Change Label of Field
g_form.setLabelOf(<field_name>, New Label Here)


‣ Make Field Mandatory
g_form.setMandatory(<field_name>, true/false);


‣ Set Value of Field
g_form.setValue(<field_name>, New Value Here)


‣ Get Value of Field
g_form.getValue(<field_name>)


‣ Add Info Message
gs.addInfoMessage(<field_name>, Message Here)


‣ Add Error Message
gs.addErrorMessage(<field_name>, Message Here)


‣ Add Form Message
gs.addFormMessage((Message Here, type)
Example: gs.addFormMessage('Be sure to save when you're done filling out the form', 'info');


‣ Clear All Form Messages
g_form.clearAllFormMessages();


‣ Show Error and Scroll to Field
g_form.showErrorBox(<field_name>, true/false);


‣ Show Field Mesage
g_form.showFieldMsg(<field_name>, message, type);
Example: g_form.showFieldMsg(start_date, 'Date must be in the past', 'info');


‣ Hide Field Mesage
g_form.hideFieldMsg(<field_name>);


‣ Add Options to Choice field
g_form.addOption(<field_name>, value, label, index);


‣ Remove Options from Choice Field
g_form.removeOption(<field_name>, Options To Remove Here)


‣ Clear all Options from Choice Field
g_form.clearOptions(<field_name>);


‣ Get Reference for a Field
g_form.getReference(<field_name>, callbackFunction);


‣ Flash a Field
g_form.flash(<table_name>.<field_name>, color, count);
Example: g_form.flash(incident.number, #FFFFFF, 1);


‣ Get Integer Value of Field
g_form.getIntValue(<field_name>);


‣ Get Decimal Value of Field
g_form.getDecimalValue(<field_name>);

 ‣ Show Related List
g_form.showRelatedList(<related_list_table_name>);


‣ Hide Related List
g_form.hideRelatedList(<related_list_table_name>);


‣ Show All Related Lists
g_form.showRelatedLists();


‣ Hide All Related Lists
g_form.hideRelatedLists();

 ‣ Show/Hide a Section
g_form.setSectionDisplay(<section_name>, true/false);


‣ Get All Sections*
g_form.getSectionNames();


‣ Get All Sections**
g_form.getSections();


‣ Check whether Section is Visible
g_form.isSectionVisible(<section_name>);



* Returns all the sections including the invisible ones,
** Not available on Mobile Platform
<section_name> - the Section Name in ServiceNow is found by taking the section name, replacing the 1st space with

an underscore, and then removing rest of the spaces. For example :if a section on a Form is called
"Section Specific API" then section name is "section_specificapi"

 ‣ Add decorations (does not apply to Catalog Client Scripts)
g_form.addDecoration(<field_name>, value, icon, title);
Example: g_form.addDecoration('Date', icon-calendar, 'Choose Date');


Supported Icons: icon-user, icon-user-group, icon-lightbulb, icon-home, 
icon-mobile, icon-comment, icon-mail, icon-locked, icon-database, icon-book, 
icon-drawer, icon-folder, icon-catalog, icon-tab, icon-cards, icon-tree-right, 
icon-tree, icon-book-open, icon-edit, icon-trash, icon-image, icon-search, icon-power, 
icon-cog, icon-star, icon-star-empty, icon-new-ticket, icon-dashboard, icon-cart-full, 
icon-label, icon-filter, icon-calendar, icon-script, icon-add, icon-delete, icon-help, 
icon-info, icon-check-circle, icon-alert,  icon-console, icon-list, icon-form, 
icon-sort-ascending, icon-paperclip, icon-view, and icon-livefeed


‣ Remove decorations (does not apply to Catalog Client Scripts)
g_form.removeDecoration(<field_name>, value, icon, title);
Example: g_form.removeDecoration('Date', icon-calendar, 'Choose Date');


‣ Check if LiveUpdate is Running on the Form*
g_form.isLiveUpdating()(<field_name>);



* Live update can detect any change of the data on the form from another session.

 ‣ Control a Field
g_form.getControl(<field_name>);


‣ Get HTML Element from Parameter*
g_form.getElement(<parameter>);


‣ Get HTML Element of an Option**
g_form.getOption(<field_name>, value);


‣ Get HTML Element of Form
g_form.getFormElement();


‣ Get HTML Element of Help Text
g_form.getHelpTextControl(<field_name>);



* Not available in the Mobile and Service Portal
** The method will not work on read-only fields, and if the field is not present on the form it will result in null.

 ‣ Submit a Form
g_form.submit(action_name);


‣ Save a Form
g_form.save();