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LookML Quick Reference

This page describes the LookML parameters that you can use in a LookML project. You can read more about each parameter by going to the appropriate reference page. Visualization-specific LookML parameters used in dashboard files are documented on the dashboard element parameter documentation pages.

Model LookML Jump to Example Below Go to Reference Page
Explore LookML Jump to Example Below Go to Reference Page
Join LookML Jump to Example Below Go to Reference Page
View LookML Jump to Example Below Go to Reference Page
Field LookML Jump to Example Below Go to Reference Page
Dashboard LookML Jump to Example Below Go to Reference Page
Project Manifest LookML Jump to Example Below Go to Reference Page

Model File

label: "desired label name" connection: "connection_name" include: "filename_or_pattern" # Possibly more include declarations   fiscal_month_offset: N persist_for: "N (seconds | minutes | hours)" persist_with: datagroup_name case_sensitive: yes | no week_start_day: monday | tuesday | wednesday | thursday | friday | saturday | sunday named_value_format: desired_format_name { value_format: "excel-style formatting string" strict_value_format: yes | no } # Possibly more named value formats   map_layer: identifier { extents_json_url: "URL to JSON extents file" feature_key: "Name of TopoJSON object" file: "TopoJSON file name" # or use the url subparameter format: topojson | vector_tile_region label: "Label I want" max_zoom_level: number indicating max zoom min_zoom_level: number indicating min zoom projection: Preferred geographic projection property_key: "TopoJSON property" property_label_key: "Label for TopoJSON property" url: "URL that contains map file" # or use the file subparameter }   datagroup: datagroup_name { sql_trigger: SQL query ;; max_cache_age: "N (minutes | hours | days)" } # Possibly more datagroups   access_grant: access_grant_name { user_attribute: user_attribute_name allowed_values: ["value_1", "value_2", …] } # Possibly more access_grants   test: test_name { explore_source: explore_name { # Desired subparameters } assert: assert_statement { expression: Looker expression ;; } } # Possibly more test declarations   explore: view_name { description: "description string" label: "desired label name" group_label: "label to use as a heading in the Explore menu" view_label: "field picker heading to use for the Explore's fields" extends: [explore_name, explore_name, …] extension: required symmetric_aggregates: yes | no hidden: yes | no fields: [field_or_set, field_or_set, …] sql_always_where: SQL WHERE condition ;; required_access_grants: [access_grant_name, access_grant_name, …]   always_filter: { filters: { field: field_name value: "looker filter expression" } }   conditionally_filter: { filters: { field: field_name value: "looker filter expression" } unless: [field_or_set, field_or_set, …] }   access_filter: { field: fully_scoped_field user_attribute: user_attribute_name }   always_join: [view_name, view_name, …]   join: view_name { type: left_outer | full_outer | inner | cross relationship: one_to_one | many_to_one | one_to_many | many_to_many from: view_name sql_table_name: table_name ;; view_label: "desired label name" fields: [field_or_set, field_or_set, …] required_joins: [view_name, view_name, …] foreign_key: dimension_name sql_on: SQL ON clause ;; required_access_grants: [access_grant_name, access_grant_name, …] } # Possibly more join declarations   persist_for: "N (seconds | minutes | hours)" persist_with: datagroup_name from: view_name view_name: view_name case_sensitive: true | false sql_table_name: table_name ;; cancel_grouping_fields: [fully_scoped_field, fully_scoped_field, …] } # Possibly more explore declarations

View File

  test: test_name { explore_source: explore_name { # Desired subparameters } assert: assert_statement { expression: Looker expression ;; } } # Possibly more test declarations   view: view_name { sql_table_name: table_name ;; suggestions: yes | no extends: [view_name, view_name, …] extension: required required_access_grants: [access_grant_name, access_grant_name, …]   derived_table: { explore_source: explore_name { bind_all_filters: yes bind_filters: { from_field: field_name to_field: field_name } column: column_name { field: field_name } derived_column: column_name { sql: SQL query ;; } expressions_custom_filter: custom_filter_expression ;; filters: { field: field_name value: filter_value } limit: number sort: { desc: yes | no field: field_name } timezone: "timezone_name" } sql: SQL query ;; persist_for: "N (seconds | minutes | hours)" sql_trigger_value: SQL query ;; cluster_keys: ["column_name", "column_name", "…"] datagroup_trigger: datagroup_name distribution: "column_name" distribution_style: all | even sortkeys: ["column_name", "column_name", "…"] indexes: ["column_name", "column_name", "…"] partition_keys: ["column_name", "column_name", "…"] create_process: { sql_step: SQL query ;; } sql_create: { SQL query ;; } }   set: set_name { fields: [field_or_set, field_or_set, …] # Possibly more set declarations }   (dimension | dimension_group | measure | filter | parameter): field_name { label: "desired label name" label_from_parameter: parameter_name view_label: "desired label name" group_label: "label used to group dimensions in the field picker" group_item_label: "label to use for the field under its group label in the field picker" description: "description string" hidden: yes | no alias: [old_field_name, old_field_name, …] value_format: "excel-style formatting string" value_format_name: format_name html: HTML expression using Liquid template elements ;; sql: SQL expression to generate the field value ;; required_fields: [field_name, field_name, …] drill_fields: [field_or_set, field_or_set, …] can_filter: yes | no fanout_on: repeated_record_name tags: ["string1", "string2", …] type: field_type primary_key: yes | no case: { when: { sql: SQL condition ;; label: "value" } # Possibly more when statements } alpha_sort: yes | no tiers: [N, N, …] style: classic | interval | integer | relational sql_latitude: SQL expression to generate a latitude ;; sql_longitude: SQL expression to generate a longitude ;; suggestable: yes | no suggest_persist_for: "N (seconds | minutes | hours)" suggest_dimension: dimension_name suggest_explore: explore_name suggestions: ["suggestion string", "suggestion string", "…"] allowed_value: { label: "desired label name" value: "looker filter expression" } # Possibly more allowed_value definitions required_access_grants: [access_grant_name, access_grant_name, …] bypass_suggest_restrictions: yes | no full_suggestions: yes | no skip_drill_filter: yes | no case_sensitive: yes | no order_by_field: dimension_name map_layer_name: name_of_map_layer link: { label: "desired label name;" url: "desired_url" icon_url: "url_of_an_ico_file" } # Possibly more links   timeframes: [timeframe, timeframe, …] convert_tz: yes | no datatype: epoch | timestamp | datetime | date | yyyymmdd intervals: [interval, interval, …] sql_start: SQL expression for start time of duration ;; sql_end: SQL expression for end time of duration ;; direction: "row | column" approximate: yes | no approximate_threshold: N sql_distinct_key: SQL expression to define repeated entities ;; list_field: dimension_name percentile: Nth percentile precision: N   filters: { field: dimension_name value: "looker filter expression" } # Possibly more filters statements   default_value: "desired default value" } # Possibly more dimension or measure declarations }

Dashboard File

See the Dashboard Element Parameters page for information about the LookML parameters used with each visualization type.

- dashboard: dashboard_name title: "desired dashboard title" description: "desired dashboard description" extends: name_of_dashboard_being_extended extension: required layout: tile | static | grid | newspaper rows: - elements: [element_name, element_name, …] height: N tile_size: N width: N refresh: N (seconds | minutes | hours | days) auto_run: true | false # DASHBOARD FILTER PARAMETERS filters: - name: filter_name title: "desired filter title" type: field_filter | number_filter | date_filter | string_filter model: model_name explore: explore_name field: view_name.field_name default_value: Looker filter expression allow_multiple_values: true | false required: true | false listens_to_filters: - filter_name field: view_name.field_name # EMBEDDED DASHBOARD PARAMETERS embed_style: background_color: "css_color" show_title: true | false title_color: "css_color" show_filters_bar: true | false tile_background_color: "css_color" tile_text_color: "css_color" # ELEMENTS PARAMETERS elements: # One or more element declarations

Project Manifest File

project_name: "project_name" local_dependency: { project: "project_name" } # Possibly more local_dependency statements remote_dependency: remote_dependency_name { url: "remote_dependency_url" ref: "commit_sha" } # Possibly more remote_dependency statements localization_settings: { default_locale: default_locale_name localization_level: permissive | strict } constant: constant_name { value: "desired string value" } # Possibly more constant statements

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