amazon web services - dynamodb - scan items by value inside array -

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i'm doing table scan. table has array 1 of fields, "apps" field (apps not key of kind). want select rows, apps array contains value "myapp". tried of kind, syntax incorrect:

    comparisonoperator = "#apps contains :v",     expressionattributenames = {         '#apps': 'apps'     },     expressionattributevalues = {         ":v": "myapp"     }

thanks.

the documentation condition expressions states appropiate syntax is:

contains(#apps, :v)

the correct request be:

filterexpression: "contains(#apps, :v)", expressionattributenames: { "#apps": "apps" }, expressionattributevalues: { ":v": "myapp" }

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