To work with collections, generally arrays, strings, and sometimes, dictionaries, you can use these collection functions. Remove leading and trailing whitespace from a string, and return the updated string. Return characters from a string, starting from the specified position. Return an array that contains substrings, separated by commas, from a larger string based on a specified delimiter character in the original string.Ĭheck whether a string starts with a specific substring. Return a substring by specifying the starting and ending position or value. Replace a substring with the specified string, and return the updated string. Return the starting position or index value where the nth occurrence of a substring appears in a string. Return the number of items in a string or array. Return the starting position for the last occurrence of a substring. Return a boolean that indicates whether a string is an integer. Return a boolean that indicates whether a string is a floating-point number. Return the starting position for a substring. Generate a globally unique identifier (GUID) as a string. Return a number as a string based on the specified format Split a string or collection into chunks of equal length.Ĭombine two or more strings, and return the combined string.Ĭheck whether a string ends with the specified substring. To work with strings, you can use these string functions and also some collection functions. The following example shows the correct and incorrect syntax:Ĭorrect: following sections organize functions based on their general purpose, or you can browse these functions in alphabetical order. If your function expression doesn't appear inline with plain text, no curly braces are necessary.
This format helps avoid parsing problems. For example, see getFutureTime().įunction expressions that appear inline with plain text require enclosing curly braces () to use the expression's interpolated format instead. In the syntax for parameter definitions, a question mark (?) that appears after a parameter means the parameter is optional. The designer requires that all expressions can be fully evaluated at design time.įunction parameters are evaluated from left to right. The designer doesn't evaluate runtime expressions that are used as function parameters at design time. You get a combined string, for example, "SophiaOwen": "customerName": parameters('lastName'))"Įither way, both examples assign the result to the customerName property. You then pass the resulting strings to the concat() function so that This example uses the parameters() function in each concat() parameterĪnd the firstName and lastName parameters. Or, you can get string values from parameters. You can either pass in string literals, for example, "Sophia" and "Owen" so that you get a combined string, "SophiaOwen": "customerName": 'Owen')" This function combines those strings into one string. Given that the result is an object with property propertyName, get that property's example, the concat() function can take two or more string values as parameters. Pass the result to the outer function Get the result from functionName.Ģ. Perform work with the result by passing that value to Get the result from the nested inner function functionName.Ģ. Perform work with an item by passing that item to a Get the parameterName's value by using the nested parameters() function.Ģ.
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To show how to use a function in an expression, this example shows how you can get the value from the customerName parameter and assign that value to the accountName property by using the parameters() function in an expression: "accountName": are some other general ways that you can use functions in expressions: Task Or, for detailed information about each function, see the alphabetical list. To find functions based on their general purpose, review the following tables. Return a globally unique identifier (GUID). Here are other example tasks that you can perform with functions: Task For more information about functionsĪnd expressions in Power Automate, review Use expressions in conditions.įor example, you can calculate values by using math functions, such as the add() function, when you want the sum from integers or floats. These functions work for both flows and logic app workflows. Although this page refers specifically to logic app workflows, This reference page applies to both Azure Logic Apps and Power Automate, but appears in theĪzure Logic Apps documentation.
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