// Optional list of attribute policies
IList<VerificationPolicyAttributeContract> attributePolicies = new List<VerificationPolicyAttributeContract>() {
  new VerificationPolicyAttributeContract() {
    PolicyName = "Attribute A Attribute Policy", // Name for policy
    AttributeNames = new List<String>() {"Attribute A"}, // List of names of attributes to request
    Restrictions = new List<VerificationPolicyRestriction>() {
      new VerificationPolicyRestriction {
        SchemaId = "schemaId", // Optionally restrict by schema identifier
        SchemaIssuerDid = "schemaIssuerDid", // Optionally restrict by schema issuer identifier
        SchemaName = "schemaName", // Optionally restrict by schema name
        SchemaVersion = "schemaVersion", // Optionally restrict by schema version
        IssuerDid = "issuerDid", // Optionally restrict by issuer identifier
        CredentialDefinitionId = "credentialDefinitionId", // Optionally restrict by credential definition identifier
        Value = new VerificationPolicyRestrictionAttribute {
          AttributeName = "attributeName", // Name of attribute to restrict
          AttributeValue = "attributeValue", // Value of attribute to restrict
        }
      }
    }
  }
};

// Optional list of predicate policies
IList<VerificationPolicyPredicateContract> predicatePolicies = new List<VerificationPolicyPredicateContract>() {
  new VerificationPolicyPredicateContract() {
    PolicyName = "Attribute B Predicate Policy", // Name for policy
    AttributeName = "attributeName", // Name of attribute to check
    PredicateType = "predicateType", // Operation to be performed (">=" | "<=" | "<" | ">")
    PredicateValue = 0, // Value to which AttributeName is compared using PredicateType
    Restrictions = new List<VerificationPolicyRestriction>() {
      new VerificationPolicyRestriction {
        SchemaId = "schemaId", // Optionally restrict by schema identifier
        SchemaIssuerDid = "schemaIssuerDid", // Optionally restrict by schema issuer identifier
        SchemaName = "schemaName", // Optionally restrict by schema name
        SchemaVersion = "schemaVersion", // Optionally restrict by schema version
        IssuerDid = "issuerDid", // Optionally restrict by issuer identifier
        CredentialDefinitionId = "credentialDefinitionId", // Optionally restrict by credential definition identifier
        Value = new VerificationPolicyRestrictionAttribute {
          AttributeName = "attributeName", // Name of attribute to restrict
          AttributeValue = "attributeValue", // Value of attribute to restrict
        }
      }
    }
  }
};

// Optionally check if a revocable credential is valid at a given time
VerificationPolicyRevocationRequirement revocationRequirement = new VerificationPolicyRevocationRequirement() {
  ValidAt = new DateTime() // Check if the credential is valid at the time of verification creation
};

// Create the verification
VerificationContract verification = await _walletClient.ProposeVerificationAsync(walletId, connectionId, new VerificationPolicyParameters {
  Name = "Verification Name",
  Version = "1.0", // Must follow Semantic Versioning scheme (https://semver.org)
  Attributes = attributePolicies,
  Predicates = predicatePolicies,
  RevocationRequirement = revocationRequirement
});

// Optional list of attribute policies
let attributePolicies = [
  {
    policyName: "Attribute A Attribute Policy", // Name for policy
    attributeNames: ["Attribute A"], // List of names of attributes to request
    restrictions: [
      {
        schemaId: "schemaId", // Optionally restrict by schema identifier
        schemaIssuerDid: "schemaIssuerDid", // Optionally restrict by schema issuer identifier
        schemaName: "schemaName", // Optionally restrict by schema name,
        schemaVersion: "schemaVersion", // Optionally restrict by schema version
        issuerDid: "issuerDid", // Optionally restrict by issuer identifier
        credentialDefinitionId: "credentialDefinitionId", // Optionally restrict by credential definition identifier
        value: {
          attributeName: "attributeName", // Name of attribute to restrict
          attributeValue: "attributeValue", // Value of attribute to restrict
        }
      }
    ]
  }
];

// Optional list of predicate policies
let predicatePolicies = [
  {
    policyName: "Attribute B Predicate Policy", // Name for policy
    attributeName: "attributeName", // Name of attribute to check
    predicateType: "<", // Operation to be performed (">=" | "<=" | "<" | ">")
    predicateValue: 0, // Value to which AttributeName is compared using PredicateType
    restrictions: [
      {
        schemaId: "schemaId", // Optionally restrict by schema identifier
        schemaIssuerDid: "schemaIssuerDid", // Optionally restrict by schema issuer identifier
        schemaName: "schemaName", // Optionally restrict by schema name
        schemaVersion: "schemaVersion", // Optionally restrict by schema version
        issuerDid: "issuerDid", // Optionally restrict by issuer identifier
        credentialDefinitionId: "credentialDefinitionId", // Optionally restrict by credential definition identifier
        value: {
          attributeName: "attributeName", // Name of attribute to restrict
          attributeValue: "attributeValue", // Value of attribute to restrict
        }
      }
    ]
  }
];

// Optionally check if a revocable credential is valid at a given time
let revocationRequirement = {
  validAt: new Date() // Check if the credential is valid at the time of verification creation
};

// Create the verification
let verification = await walletClient.proposeVerification(walletId, connectionId, {
  name: "Verification Name",
  version: "1.0", // Must follow Semantic Versioning scheme (https://semver.org),
  attributes: attributePolicies,
  predicates: predicatePolicies,
  revocationRequirement: revocationRequirement
});

import datetime

# Optional list of attribute policies
attribute_policies = [
  {
    "policyName": "Attribute A Attribute Policy",  # Name for policy
    "attributeNames": ["Attribute A"],  # List of names of attributes to request
    "restrictions": [
      {
        "schemaId": "schemaId",  # Optionally restrict by schema identifier
        "schemaIssuerDid": "schemaIssuerDid",  # Optionally restrict by schema issuer identifier
        "schemaName": "schemaName",  # Optionally restrict by schema name,
        "schemaVersion": "schemaVersion",  # Optionally restrict by schema version
        "issuerDid": "issuerDid",  # Optionally restrict by issuer identifier
        "credentialDefinitionId": "credentialDefinitionId",  # Optionally restrict by credential definition identifier
        "value": {
          "attributeName": "attributeName",  # Name of attribute to restrict
          "attributeValue": "attributeValue",  # Value of attribute to restrict
        }
      }
    ]
  }
]

# Optional list of predicate policies
predicate_policies = [
  {
    "policyName": "Attribute B Predicate Policy",  # Name for policy
    "attributeName": "attributeName",  # Name of attribute to check
    "predicateType": "<",  # Operation to be performed (">=" | "<=" | "<" | ">")
    "predicateValue": 0,  # Value to which AttributeName is compared using PredicateType
    "restrictions": [
      {
        "schemaId": "schemaId",  # Optionally restrict by schema identifier
        "schemaIssuerDid": "schemaIssuerDid",  # Optionally restrict by schema issuer identifier
        "schemaName": "schemaName",  # Optionally restrict by schema name
        "schemaVersion": "schemaVersion",  # Optionally restrict by schema version
        "issuerDid": "issuerDid",  # Optionally restrict by issuer identifier
        "credentialDefinitionId": "credentialDefinitionId",  # Optionally restrict by credential definition identifier
        "value": {
          "attributeName": "attributeName",  # Name of attribute to restrict
          "attributeValue": "attributeValue",  # Value of attribute to restrict
        }
      }
    ]
  }
]

# Optionally check if a revocable credential is valid at a given time
revocation_requirement = {
  "validAt": str(datetime.datetime.now()).replace(' ', 'T') + 'Z'  # Check if the credential is valid at the time of verification creation
}

# Create the verification proposal
verification_policy = wallet_client.propose_verification(wallet_id, connection_id, {
  "name": "Verification Name",
  "version": "1.0",  # Must follow Semantic Versioning scheme (https://semver.org),
  "attributes": attribute_policies,
  "predicates": predicate_policies,
  "revocationRequirement": revocation_requirement
})

# Optional list of attribute policies
attribute_policy = Credentials::Models::VerificationPolicyAttributeContract.new
attribute_policy.policy_name = 'Attribute A Attribute Policy' # Name for policy
attribute_policy.attribute_names = ['Attribute A'] # List of names of attributes to request
attribute_restriction = Credentials::Models::VerificationPolicyRestriction.new
attribute_restriction.schema_id = 'schemaId' # Optionally restrict by schema identifier
attribute_restriction.schema_issuer_did = 'schemaIssuerDid' # Optionally restrict by schema issuer identifier
attribute_restriction.schema_name = 'schemaName' # Optionally restrict by schema name
attribute_restriction.schema_version = 'schemaVersion' # Optionally restrict by schema version
attribute_restriction.issuer_did = 'issuerDid' # Optionally restrict by issuer identifier
attribute_restriction.credential_definition_id = 'credentialDefinitionId' # Optionally restrict by credential definition identifier
attribute_restriction.value = Credentials::Models::VerificationPolicyRestrictionAttribute.new
attribute_restriction.value.attribute_name = 'attributeName' # Name of attribute to restrict
attribute_restriction.value.attribute_value = 'attributeValue' # Value of attribute to restrict
attribute_policy.restrictions = [attribute_restriction]
attribute_policies = [attribute_policy]

# Optional list of predicate policies
predicate_policy = Credentials::Models::VerificationPolicyPredicateContract.new
predicate_policy.policy_name = 'Attribute A Attribute Policy' # Name for policy
predicate_policy.attribute_name = 'Attribute A' # Name of attribute to check
predicate_policy.predicate_type = '<' # Operation to be performed (">=" | "<=" | "<" | ">")
predicate_policy.predicate_value = 0 # Value to which AttributeName is compared using PredicateType
predicate_restriction = Credentials::Models::VerificationPolicyRestriction.new
predicate_restriction.schema_id = 'schemaId' # Optionally restrict by schema identifier
predicate_restriction.schema_issuer_did = 'schemaIssuerDid' # Optionally restrict by schema issuer identifier
predicate_restriction.schema_name = 'schemaName' # Optionally restrict by schema name
predicate_restriction.schema_version = 'schemaVersion' # Optionally restrict by schema version
predicate_restriction.issuer_did = 'issuerDid' # Optionally restrict by issuer identifier
predicate_restriction.credential_definition_id = 'credentialDefinitionId' # Optionally restrict by credential definition identifier
predicate_restriction.value = Credentials::Models::VerificationPolicyRestrictionAttribute.new
predicate_restriction.value.attribute_name = 'attributeName' # Name of attribute to restrict
predicate_restriction.value.attribute_value = 'attributeValue' # Value of attribute to restrict
predicate_policy.restrictions = [predicate_restriction]
predicate_policies = [predicate_policy]

# Optionally check if a revocable credential is valid at a given time
revocation_requirement = Credentials::Models::VerificationPolicyRevocationRequirement.new
revocation_requirement.valid_at = DateTime.now # Check if the credential is valid at the time of verification creation

# Create the verification policy
body = Credentials::Models::VerificationPolicyParameters.new
body.name = 'Verification Name'
body.version = '1.0' # Must follow Semantic Versioning scheme (https://semver.org)
body.attributes = attribute_policies
body.predicates = predicate_policies
body.revocation_requirement = revocation_requirement
verification_policy = wallet_client.propose_verification(wallet_id, connection_id, body)