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Properties installed with Communities

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Properties installed with Communities

Community administrators can use properties to configure Communities behavior.

The following properties are available for further configuration. To list the properties, enter sys_properties.list in the filter navigator and search for the property to configure.
Note: You can also view Community Properties and Forum Properties from the application navigator. These modules contain a list of the most frequently used properties that you can configure for your community.
Table 1. Communities properties
Property Description
sn_communities.adminNoReplyEmail Email address for community-related notifications. When a notification for an activity is sent, this email address is displayed.
  • Type: string
  • Default value: communityadmin@servicenow.com
sn_communities.blog_count Number of blogs that a user can post per day.
  • Type: integer
  • Default value: 20
sn_communities.content.meta_description

When generating SEO data for an entity, the number of characters that are fetched from the meta_description column of the record to generate a portion of the SEO <description> tag for the record.

Typically, the SEO <description> tag for a Community entity is the combination of ‘forum name’, ‘topics’ and ‘meta description’ of the actual record in the following format: “<forum> - <topics> - <sub string of configured length of the actual description>".

  • Type: integer
  • Default value: 100
sn_communities.content.views.count.limit Number of views for content pages allowed per session within a time window specified by sn_communities.content.views.time.limit.
  • Type: integer
  • Default value: 50
sn_communities.content.views.time.limit Duration, in seconds, during which a specific number of views are allowed. The number of views allowed during this time is set by sn_communities.content.views.count.limit
  • Type: integer
  • Default value: 3600
sn_communities.edit_content_explicit_role Comma-separated list of roles with permission to edit existing content, but not to create content.
  • Type: string
  • Default value: n_communities.community_moderator, sn_communities.moderation_admin, sn_communities.admin
sn_communities.enable_session_cache

Enables or disables session caching.

True: The permissions of any non-admin users of the community are stored as a part of the session. They are used to determine access to the various forums and community content. While the user is active in that particular session, any changes to the community permissions do not take effect until the user logs out.

False: The permissions of any non-admin users of the community are not stored as a part of the session.
  • Type: boolean
  • Default value: false
sn_communities.enable_topics Enables or disables topics within a community.

If the property is set to false and gamification is enabled, topic information does not appear on the leaderboard page.

  • Type: boolean
  • Default value: true
sn_communities.glide.script.block.client.globals Set the value to true to re-enable most of the inaccessible Client APIs in a scoped application.
  • Type: boolean
  • Default value: false
sn_communities.implicit_access_mapping Assign access implicitly to users based on the permissions they have. For example:
  • If a user is given forum_admin access, they can automatically administer, read, write to, and moderate the forum.
  • If a user is given forum moderation rights, they can read, write to, and moderate the forum for all content types.
  • Type: string
  • Default value:

    {"forum_admin": ["forum_read", "forum_write", "forum_moderator", "forum_admin", "content_write"],"forum_moderator": ["forum_read", "forum_write", "forum_moderator", "content_write"], "content_write": ["content_read", "content_write"]}

sn_communities.instance_base_url

Vanity URL for your instance to be used in email notifications to redirect users to the community pages. Set a value only if you want the URL to be different to the instance name.

  • Type: string
  • Default value: none
sn_communities.is_content_write_allowed_for_guest_user

Determines whether Content_write access is allowed for a public or a guest user.

False: Content_write access is not given to a public or guest user.

True: Content_write access is given to a public or guest user.

  • Type: boolean
  • Default value: false
sn_communities.knowledge_base_id All questions created in Communities are entered in this knowledge base.
  • Type: string
  • Default value: a4c9fb2e6703220071b89a6617415af9
sn_communities.logging.destination Location of the log messages.
  • Type: string
  • Default value: db
sn_communities.log.verbosity
Code Search log verbosity for the community. Set the value as required.
  • 0: Show information that may be useful while debugging the application, such as the values of queries run. It includes info, warning, and error messages.
  • 1: Show progress messages as the Code Search application searches for results. It also shows warnings and error messages.
  • 2: Show warning which indicates possible unexpected changes in behavior.
  • 3: Show only critical errors which may prevent the search from completing.
  • Type: choice list
  • Default value: 1
sn_communities.logging.verbosity Category for writing log messages: Debug (0), Info (1), Warning (2), or Error (3).
  • Type: choice list
  • Default value: 1
sn_communities.max_topic_limit Maximum number of topics that can be associated to any content type. The value of this property should not be set to greater than five.
  • Type: integer
  • Default value: 5
sn_communities.minimum_activity Minimum number of activities required to make the activity feed the preferred feed.
  • Type: integer
  • Default value: 5
sn_communities.portal_default_config Community portal default configuration. Used in community-specific widgets. It is a JSON value.
  • Type: string
  • Default value: [{"uiPageMapping":[{"contentTypeId":"5a2fcaa0dbd26600b1f6f78eaf9619a8","icon_class":"fa-question-circle","internalName":"question","contentArticle":"a","pageId":"community_question"},{"contentTypeId":"57f785863b2b220085f76b4ee3efc449","icon_class":"fa-video-camera","internalName":"video","contentArticle":"a","pageId":"community_video"},{"contentTypeId":"cc3fcaa0dbd26600b1f6f78eaf96192e","icon_class":"fa-quote-left","internalName":"blog","contentArticle":"a","pageId":"community_blog"},{"contentTypeId":"0764c981dbde6600b1f6f78eaf961990","icon_class":"","internalName":"comment","contentArticle":"a","pageId":""},{"contentTypeId":"8f0a215c6707220071b89a6617415aa7","icon_class":"fa-question-circle","internalName":"answer","contentArticle":"an","pageId":"community_question"},{"contentTypeId":"3f86a8db971232007a97a23363ac4a27","icon_class":"fa-file-text","internalName":"document","contentArticle":"a","pageId":"community_document"},{"contentTypeId":"4c3a995ac302320012e45cb981d3aee0","icon_class":"fa-calendar","internalName":"event","contentArticle":"a","pageId":"community_event"}]}]
sn_communities.public_forum_user
sys_id of the public forum user. Used to calculate access permissions to forums.
  • Type: string
  • Default value: 88ef2155931322005b963511e57ffba6
sn_communities.registered_forum_user
sys_id of the registered forum user. This value is used to calculate access permissions to forums.
  • Type: string
  • Default value: 5dce996993232200dd773511e57ffbcc
sn_communities.video_count Number of videos a user can post per day.
  • Type: integer
  • Default value: 20
sn_communities.default_permission_for_forum_memberships Sets the default permission for forum memberships. Specify a value to determine which permission is used as the default.
  • Type: string
  • Default value: ff73ee9893223200a8223511e57ffb0b
sn_communities.forumListBatchSize Default number of forums to show on the topics list page on the community portal.
  • Type: integer
  • Default value: 12
sn_communities.topicListBatchSize Default number of topics to show on the topics list page on the community portal.
  • Type: integer
  • Default value: 12
sn_communities.disableForumInvitesForExternalEmails Determines if forum invites from the forum page can be sent to external users.
Note: Do not change this value manually because it may affect forum email invite functionality.
  • Type: boolean
  • Default value: true
sn_communities.attachments.document.max_size Maximum attachment file size in MB. (1 MB = 1024 KB)
  • string
  • Default value: 5
sn_communities.attachments.file_extensions Supported file extensions for community attachments.
  • Type: string
  • Default value: PPT,PPTX,XLS,XLSX,DOC,DOCX,TXT,PDF,PNG,BMP,JPG,JPEG,GIF,ZIP
sn_communities.attachments.max_attachment_count Maximum number of attachments that can be attached to community content.
  • Type: string
  • Default value: 3
sn_communities.attachments.max_file_size Maximum attachment file size in MB. The maximum size is capped at 5 MB.
  • Type: string
  • Default value: 2
sn_communities.attachments.max_invalid_attempts Maximum number of invalid attempts a user can make to upload an attachment.
  • Type: string
  • Default value: 3
sn_communities.attachments.max_total_size Maximum total size (in GB) of attachments. (1 GB = 1024 MB)
  • Type: string
  • Default value: 500
sn_communities.attachments.total_size Total size (in KB) of attachments in the community until date. (1 MB = 1024 KB, 1 GB = 1024 MB)
  • Type: string
  • Default value: 3680.04
sn_communities.attachments.user.day_limit Maximum number of attachments that can be attached to community content per user per day.
  • Type: string
  • Default value: 20
sn_communities.days_to_keep_search_logs Sets the number of days to keep the search log on an instance.
  • Type: integer
  • Default value: 180
sn_communities.minimum_characters_to_search Number of characters before a search engine starts working in a community. This number must be greater than or equal to 3.
  • Type: integer
  • Default value: 3
sn_communities.search.blog.enable_acl Sets how permissions are evaluated for blog type content.

True: Permission is evaluated for that specific content type and user.

False: Permission is evaluated at the forum and content level.

  • Type: boolean
  • Default value: false
sn_communities.search.discussion.enable_acl Sets how permissions are evaluated for question and answer type content.

True: Permission is evaluated for that specific content type and user.

False: Permission is evaluated at forum and content level.

  • Type: boolean
  • Default value: false
sn_communities.search.document.enable_acl Sets how permissions are evaluated for document type content.

True: Permission is evaluated for that specific content type and user.

False: Permission is evaluated at the forum and content level.

  • Type: boolean
  • Default value: false
sn_communities.search.event.enable_acl Sets how permissions are evaluated for event type content.

True: Permission is evaluated for that specific content type and user.

False: Permission is evaluated at the forum and content level.

  • Type: boolean
  • Default value: false
sn_communities.search.video.enable_acl Sets how permissions are evaluated for video type content.

True: Permission is evaluated for that specific content type and user.

False: Permission is evaluated at the forum and content level.

  • Type: boolean
  • Default value: false
sn_communities.user.document_count Number of documents a user can post per day.
  • Type: integer
  • Default value: 20
sn_communities.video_count Number of videos a user can post per day.
  • Type: integer
  • Default value: 20
sn_communities.view_log_sources JSON string that provides a mapping of view log source to a static source type. This static string stores the view source in the View Log [sn_communities_view_log] table.
  • Type: string
  • Default value:

    {"searchResult": "search_result", "contentFeed": "content_feed", "activityFeed": "activity_feed"}

sn_communities.knowledge.enable_harvesting Enables knowledge harvesting from communities.
  • Type: string
  • Default value: true
Table 2. Activity Subscription properties
Property Description
com.snc.actsub.activities.api.fetch.limit Number of activities in the activity feed.
  • Type: integer
  • Default value: 10
com.snc.actsub.activity.rate.count.limit Number of activities that can be created within a certain time frame.
  • Type: integer
  • Default value: 100
com.snc.actsub.activity.rate.time.limit Duration, in seconds, during which activities can be created. Activities are no longer created after the limit.
  • Type: integer
  • Default value: 3600
com.snc.actsub.activity.stream.user.limit

Enter the limit on number of activities stored for a user in the activity feed.

The oldest activities are deleted when the limit is reached.
  • Type: integer
  • Default value: 2000
com.snc.actsub.core.disable_plugin Enable (true) or disable (false) the plugin functionality.
  • Type: boolean
  • Default value: false
Table 3. External User Registration properties
Property Description
sn_ext_usr_reg.allowed_email_domains Comma-separated list of email domains that can be used to register. By default, the value is empty, indicating that all email domains are allowed.
  • Type: string
  • Default value: none
sn_ext_usr_reg.captchaEnabled Enables Google re-CAPTCHA on the self-registration page.
  • Type: boolean
  • Default value: true
sn_ext_usr_reg.eur_user_role

Adds a role when a sys_user record is created through self-registration.

  • Type: string
  • Default value: sn_communities.community_user
sn_ext_usr_reg.Reg_link_expiration_days

Number of days that the registration link remains active. Links older than the specified number of days are deactivated and cannot be used for completing the registration process.

  • Type: integer
  • Default value: 3
sn_ext_usr_reg.request_count Maximum number of times a registration link can be requested.
  • Type: integer
  • Default value: 3
sn_ext_usr_reg.Temp_user_record_purge_days Number of days that a registration record is maintained in the User Registration Request [user_registration_request] table. Records older than the specified number of days are deleted.
  • Type: integer
  • Default value: 30
Table 4. Gamification properties
Property Description
sn_communities.enable_gamification Enables or disables the gamification feature for the community and controls the appearance of gamification-related widgets on the Community portal.

When set to false, no gamification components are displayed. User point totals and badge assignments are not affected.

  • Type: boolean
  • Default value: true
sn_communities.content.show_gamification_level Controls the gamification level that is displayed next to the Community user's name on the Content pages.
  • Type: choice list
  • Choices:
    • none: Do not display the user's level
    • sn_gamification_modules: Show the user's level in the Community
    • sn_communities_forum: Show the user's level for the forum to which the content belongs
  • Default value: sn_gamification_modules
sn_gamification.days_to_keep_activity_records Number of days to keep the gamification activity records in the database. Records created or updated prior to the specified number of days are purged.
  • Type: integer
  • Default value: 180
sn_gamification.enable_debug_logs Enables the debug logs for the gamification feature.
  • Type: boolean
  • Default value: false
sn_gamification.levels_limit Maximum number of levels that can be defined for the gamification feature.
  • Type: integer
  • Default value: 10
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