Expected effort field value validation of greater than 0 using page composer

Summary:

We have a requirement from the client to put a validation (field value should be more than 0) on the field 'Expected Effort in Hours' available in My Client Group > offering > Activities.

Content (please ensure you mask any confidential information):

Based on the steps available here - https://www.bing.com/search?pglt=131&q=how+to+put+validation+on+a+field+to+have+a+value+greater+that+zero+via+page+composer+oracle&cvid=a8591284743e4f26825da3220c6e3b98&gs_lcrp=EgRlZGdlKgYIABBFGDkyBggAEEUYOdIBCTI2OTE5ajBqMagCALACAA&FORM=ANNAB1&PC=U531

We used page composer to update the EL expression on the Value of the field from #{bindings.activityExpectedEffort.inputValue} to #{bindings.activityExpectedEffort.inputValue > 0}