--- title: "visualizations" slug: "build-visualizations" updated: 2019-11-22T17:18:55Z published: 2019-11-22T18:09:37Z canonical: "code.tag.bio/build-visualizations" --- > ## Documentation Index > Fetch the complete documentation index at: https://code.tag.bio/llms.txt > Use this file to discover all available pages before exploring further. # visualizations The visualization attribute of a protocol is an array of objects which contain information for how the Tag.cortex engine renders protocol results to the user. ## Overall schema ``` "visualization": [ { "visualization_type": "numeric-tag", //Mandatory "collection": "Ccc ccc ccc", //Optional "descriptors": [ {"focus-mean": "Average value of 'COLLECTION_PLACEHOLDER: VARIABLE_PLACEHOLDER' for cases in the focus cohort ARGUMENT_VALUE(argument_name) (FOCUS_COUNT_PLACEHOLDER entities)"}, {"background-mean": "Average value of 'VARIABLE_PLACEHOLDER' for all cases (BACKGROUND_COUNT_PLACEHOLDER entities)"} ], "digits": #, //Optional "min": #, //Optional "max": # //Optional } ] ```