What is a reference field in ServiceNow?
What is a reference field in ServiceNow?
A reference field stores a reference to a field on another table. For example, the Caller field on the Incident table is a reference to the User [sys_user] table. When you define a reference field, the system creates a relationship between the two tables. The reference field shows the specified display value.
How are referenced fields identified in ServiceNow?
Reference fields are one of the most important items to understand in ServiceNow. The database sees a string field containing the sys_id , a foreign key. However, this is meaningless to a person. Therefore, the platform allows you to pick a field that will be displayed.
How do I add a reference field in ServiceNow?
Right-click the header and select Configure > Form Layout. Use dot-walking to locate and select the field in the referenced table that you want to add. It appears as Table name. Field.
How do I create a reference field as a dropdown in ServiceNow?
You can display a reference field as a choice list instead of opening a lookup window. In the form, right-click the label for the reference field and select Configure Dictionary. In the Choice List Specification section, select one of the following options in the Choice field.
What are the 5 provided role by ServiceNow?
Same as in IT organization there are lots of role such as Service Desk, Change Manager, Incident Manager, Administrator, Database Administrator, Configuration Lead, Configuration Manager etc. Means when a role is given to any user and some access to servicenow application has been granted to user.
What is reference key ServiceNow?
By default, reference fields store the sys_id of the record in the database. The value of the reference key field, instead of the sys_id, is stored in the database for that reference field. Navigate to System Definition > Dictionary.
How do I map a reference field in Servicenow?
To create a new reference field mapping select ‘Reference’ from the New Mapping field drop down then enter the name of the source field that you want to map. In this example it will be the Assigned To field (which contains the Sys-ID of the source User record).
What is difference between save and insert in Servicenow?
Save saves the record and stays on form, while Insert creates a new record & redirects to list view. Insert and stay creates new record and stays on the form, while Insert creates a new record & redirects to list view.
How do I map a reference field in ServiceNow?
How do I create a reference list in ServiceNow?
Procedure
- Navigate to System UI > Views.
- Search for name = sys_ref_list and open the record.
- Click the Lists related list.
- Search for the table for which you want to change the view and open the record.
- Modify the List layout by either deleting columns or adding new ones by clicking New.
What is lookup select box?
The SelectBox has only a list of items in a drop-down field whereas Lookup also has a search field and the Cancel button. Appearance on desktop and mobile devices. The SelectBox looks the same on any platform, while Lookup changes its appearance.
How do I restrict the data that a reference field returns?
Use reference qualifiers to create filters that restrict the data that is returned for a reference field. A reference field stores a link (reference) to a field on another table, making the records/fields in the referenced table available to the form containing the reference field.
How do I access the values in a reference lookup?
By default, all values for the field that is being referenced appear in the reference lookup and can be directly accessed through the reference field (type ahead). Expanding on the prior example, if a reference qualifier is not defined, all users in the User table appear in the reference lookup.
When should I use a reference qualifier?
Use this type of reference qualifier for implementations that only require a simple, unique filter, that cannot be handled by a simple reference qualifier, and is not used across multiple reference fields. Note: As a good practice, make JavaScript calls to functions in a script include instead of a global business rule.
What are dynamic reference qualifiers?
Dynamic reference qualifiers enable you to use a dynamic filter option to run a query against a reference field to filter the returned data set. Dynamic filter options are stored filters that can contain encoded query strings, JavaScript, or script includes, and can be used in multiple dynamic reference qualifiers.
