Function: Validate Workflow Inputs

by Simon Sparks · 4 February 2026

To use this function add it to the class library file named Utilities.ts

GitHub Repository: https://github.com/SimonSparksUK/Orchestrator

Filename: Utilities.ts

Function: validateWorkflowInputs

public static validateWorkflowInputs(strResourceActionType: string, strResourceActionName: string, objWorkflowToken: WorkflowToken): void {
  let strWorkflowName: string = `${strResourceActionType} - ${strResourceActionName}`;

  let objLogger: Logger = Logger.getLogger(`${strWorkflowName} - validateFunctionInputs`);

  let objProperties: Properties = objWorkflowToken.getInputParameters();

  let objWorkflow: Workflow = objWorkflowToken.currentWorkflow;

  let arrParameter: Parameter[] = objWorkflow.inParameters;

  arrParameter.forEach((objParameter: Parameter): void => {

    objLogger.info(`Input Parameter: ${objParameter.name}:${objParameter.type} ( ${objParameter.description} ).`);

    let objValue: any = objProperties.get(objParameter.name);

    let strType: string = System.getObjectType(objValue);

    strType = strType.toLowerCase();

    if (strType === "string" && objValue === null) {
      throw new Error_RequiredParameter_Null(objParameter.name);

    } else if (strType === "string" && objValue === "") {
      throw new Error_RequiredParameter_EmptyString(objParameter.name);

    } else if (strType === "number" && objValue === null) {
      throw new Error_RequiredParameter_Null(objParameter.name);

    } else if (strType === "number" && Number.isNaN(objValue)) {
      throw new Error_RequiredParameter_NotANumber(objParameter.name);

    } else if (strType === "boolean" && objValue === null) {
      throw new Error_RequiredParameter_Null(objParameter.name);

    } else if (strType === "boolean" && (objValue !== true || objValue !== false)) {
      throw new Error_RequiredParameter_NotTrueOrFalse(objParameter.name);

    } else if (strType === "date" && objValue === null) {
      throw new Error_RequiredParameter_Null(objParameter.name);

    } else if (strType === "date" && !(objValue instanceof Date)) {
      throw new Error_RequiredParameter_NotADate(objParameter.name);

    } else if (strType === "array" && objValue === null) {
      throw new Error_RequiredParameter_Null(objParameter.name);

    } else if (strType === "array" && objValue.length === 0) {
      throw new Error_RequiredParameter_EmptyArray(objParameter.name);

    } else if (strType === "array" && Array.isArray(objValue) === false) {
      throw new Error_RequiredParameter_NotAnArray(objParameter.name);

    } else if (strType === "object" && objValue === null) {
      throw new Error_RequiredParameter_Null(objParameter.name);

    } else if (strType === "object" && objValue instanceof eval(strType)) {
      throw new Error_RequiredParameter_Missing(objParameter.name);
    }
  });
}

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