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Manuel T Gomes

Automation Expert and Software Engineer

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Power Automate Function Reference

Power Automate expressions are where a lot of the real magic happens, and this is my reference for the functions that power them. When the point-and-click designer runs out of road, a well-placed expression gets you exactly what you need. I document the everyday date and time helpers like the "addDays" function, the "addHours" function, and the "addMinutes" function, along with the more flexible "addToTime" function for shifting timestamps. I cover math with the "add" function, logic with the "and" function, and data shaping with the "addProperty" function and the "array" function. Need to convert data types? The "base64ToBinary" function gets its own walkthrough, and the "action" and "actions" functions let you reach into earlier steps. Every entry gives you the syntax, the parameters, the return value, a practical example, and the edge cases that catch people out.

Power Automate: xpath function

Power Automate: xpath function

14 min read · 3 years ago

Parses an XML document to extract nodes, attributes, and counts. Input must be XML type.

Power Automate: uriQuery function

Power Automate: uriQuery function

4 min read · 3 years ago

Returns the query string from a URL. Empty when there are no parameters.

Power Automate: uriScheme function

Power Automate: uriScheme function

4 min read · 3 years ago

Returns the protocol from a URL: 'https', 'ftp', or any valid scheme.

Power Automate: uriPathAndQuery function

Power Automate: uriPathAndQuery function

4 min read · 3 years ago

Returns the full path and query string from a URL.

Power Automate: uriPath function

Power Automate: uriPath function

4 min read · 3 years ago

Returns just the path segment from a URL.

Power Automate: startOfMonth function

Power Automate: startOfMonth function

4 min read · 3 years ago

Returns the first day of any month.

Power Automate: startOfHour function

Power Automate: startOfHour function

4 min read · 3 years ago

Returns the exact start of an hour from a timestamp.

Power Automate: startOfDay function

Power Automate: startOfDay function

5 min read · 3 years ago

Resets a timestamp to midnight.

Power Automate: last function

Power Automate: last function

3 min read · 3 years ago

Returns the last element of an array or the last character of a string.

Power Automate: Outputs function

Power Automate: Outputs function

3 min read · 3 years ago

Returns an action's full results inside an expression. The mechanism behind Dynamic Content.

Power Automate: Variables function

Power Automate: Variables function

2 min read · 3 years ago

Returns the current value of a variable.

Power Automate: uriHost function

Power Automate: uriHost function

3 min read · 3 years ago

Returns the domain name from a URL. Strips protocol, path, and query string.

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Manuel T Gomes

Helping teams and developers plan, build, and automate, and sharing what I learn along the way.

No ads. No third-party trackers. Written by a human.

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