For example, the return value for “ ListQueriesInFolder” is listed as “ VstsList“. The capture schema button appears as part of the formula bar when you encounter an expression that returns dynamic schema.Īzure DevOps has a mix of calls that are static and dynamic. Re-load your app.ģ. Use the capture schema button to capture dynamic schema in your formula. Note: If you are on an older version of the platform, you may need to also enable the “Enhanced formula bar.”Ģ. Authoring a formula with dynamic schemaġ. Turn on the “Dynamic schema” feature switch in Settings > Advanced Settings > Experimental feature. And, you will be able to use the dynamic schema service call as part of your Power App. This will lock the schema for that particular call with the set of values it is called with. Now, as part of the formula authoring experience, when a formula author encounters an warning indicating the return schema of a call is dynamic, an author may “capture schema”.
Power Apps, until this point, could not work directly with these types of service calls.
You will potentially get a different set of fields depending on which team’s work items you query. Because these custom fields are not available on all work items, some calls to Azure Dev Ops are considered dynamic. For instance, with Azure Dev Ops users may add custom fields to work items. These service calls are said to have “dynamic schema” because the schema, or set of returned fields, changes dynamically based on how the service is called. However, there are a number of services that may return a different set of fields based on the specific parameter values in the service call.
Power Apps formulas traditionally require that the set of fields returned by a data source call is fixed. We are excited to announce the experimental feature release of the ability to work with dynamic schema in Power Apps formulas.
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