public Builder setStep(java.lang.String value) {
          if (value == null) {
            throw new NullPointerException();
          }
          step_ = value;
          bitField0_ |= 0x00000002;
          onChanged();
          return this;
        }
<pre>
Name of a step within the routine.
</pre>

<code>string step = 2;</code>

@param value The step to set.
@return This builder for chaining.
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java